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Finding the Fourth Proportional to 530.32, 731.01 and 364.25

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Solution

The fourth proportional to 530.32, 731.01 and 364.25 is: 502.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.32 : 731.01 = 364.25 : x
  2. Step 2: Convert to fraction form
    530.32/731.01 = 364.25/x
  3. Step 3: Cross multiply
    530.32x = 731.01 × 364.25
  4. Step 4: Simplify right side
    530.32x = 266,270.39
  5. Step 5: Solve for x
    x = 266,270.39/530.32
  6. Step 6: Final answer
    x = 502.09

Related Problems

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.