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Finding the Fourth Proportional to 529.44, 731.24 and 363.38

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Solution

The fourth proportional to 529.44, 731.24 and 363.38 is: 501.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.44 : 731.24 = 363.38 : x
  2. Step 2: Convert to fraction form
    529.44/731.24 = 363.38/x
  3. Step 3: Cross multiply
    529.44x = 731.24 × 363.38
  4. Step 4: Simplify right side
    529.44x = 265,717.99
  5. Step 5: Solve for x
    x = 265,717.99/529.44
  6. Step 6: Final answer
    x = 501.88

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Double scale
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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.