CUET Preparation Today
CUET
General Test
Numerical Ability
Ratios
Find a fourth proportional to the numbers 21, 33, 56.
7
78
88
87
Fourth Proportional of a,b and c = \(\frac{b\;×\;c}{a}\)
Fourth Proportional of 21,33 and 56 = \(\frac{33\;×\;56}{21}\) = 88
