proportional: Meaning and Definition of

pro•por•tion•al

Pronunciation: (pru-pôr'shu-nl, -pōr'-), [key]
— adj.
  1. having due proportion; corresponding.
  2. being in or characterized by proportion.
  3. of, pertaining to, or based on proportion; relative.
  4. The quantities
    1. (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.
    2. (of a first quantity with respect to a second quantity) a constant multiple of:The quantityy is proportional to x if y = kx, where k is the constant of proportionality.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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