The meaning of PROPORTIONAL is a number or quantity in a proportion. How to use proportional in a sentence.

PROPORTIONAL meaning: 1. If two amounts are proportional, they change at the same rate so that the relationship between…. Learn more.

Proportional definition: having due proportion; corresponding.. See examples of PROPORTIONAL used in a sentence.

In mathematics, two sequences of numbers, often experimental data, are proportional or directly proportional if their corresponding elements have a constant ratio.

Define proportional. proportional synonyms, proportional pronunciation, proportional translation, English dictionary definition of proportional. adj. 1. Forming a relationship with other parts or …

Illustrated definition of Proportional: When quantities have the same relative size. In other words they have the same ratio. Example: A rope's...

Mathematics (of two quantities) having the same or a constant ratio or relation: The quantitiesy and x are proportional if y/x = k, where k is the constant of proportionality.

There are seven meanings listed in OED's entry for the word proportional, three of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

Sep 22, 2025 · proportional (comparative more proportional, superlative most proportional) (mathematics) At a constant ratio (to). Two magnitudes (numbers) are said to be proportional if …

If one amount is proportional to another, the two amounts increase and decrease at the same rate so there is always the same relationship between them.