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Finding the Fourth Proportional to 529.88, 731.01 and 363.81

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Solution

The fourth proportional to 529.88, 731.01 and 363.81 is: 501.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.88 : 731.01 = 363.81 : x
  2. Step 2: Convert to fraction form
    529.88/731.01 = 363.81/x
  3. Step 3: Cross multiply
    529.88x = 731.01 × 363.81
  4. Step 4: Simplify right side
    529.88x = 265,948.75
  5. Step 5: Solve for x
    x = 265,948.75/529.88
  6. Step 6: Final answer
    x = 501.90

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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.