What is the fourth proportional to 189,

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Target Exam

CUET

Subject

General Test

Chapter

Numerical Ability

Topic

Ratios

Question:

What is the fourth proportional to 189, 273 and 153?

Options:

221

265

467

368

Correct Answer:

221

Explanation:

Fourth proportional of a, b and c = \(\frac{b\;×\;c}{a}\)

Fourth proportional = \(\frac{153\;×\;273}{189}\) = 221