Find a fourth proportional to the numbers 21, 33, 56.
Answer & explanation
Correct answer: option 3
Fourth Proportional of a,b and c = \(\frac{b\;×\;c}{a}\)
Fourth Proportional of 21,33 and 56 = \(\frac{33\;×\;56}{21}\) = 88
Find a fourth proportional to the numbers 21, 33, 56.
Correct answer: option 3
Fourth Proportional of a,b and c = \(\frac{b\;×\;c}{a}\)
Fourth Proportional of 21,33 and 56 = \(\frac{33\;×\;56}{21}\) = 88