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Finding the Fourth Proportional to 363.59, 502.29 and 239.54

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Solution

The fourth proportional to 363.59, 502.29 and 239.54 is: 330.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.59 : 502.29 = 239.54 : x
  2. Step 2: Convert to fraction form
    363.59/502.29 = 239.54/x
  3. Step 3: Cross multiply
    363.59x = 502.29 × 239.54
  4. Step 4: Simplify right side
    363.59x = 120,318.55
  5. Step 5: Solve for x
    x = 120,318.55/363.59
  6. Step 6: Final answer
    x = 330.92

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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.