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Finding the Fourth Proportional to 502.88, 694.10 and 327.92

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Solution

The fourth proportional to 502.88, 694.10 and 327.92 is: 452.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    502.88 : 694.10 = 327.92 : x
  2. Step 2: Convert to fraction form
    502.88/694.10 = 327.92/x
  3. Step 3: Cross multiply
    502.88x = 694.10 × 327.92
  4. Step 4: Simplify right side
    502.88x = 227,609.27
  5. Step 5: Solve for x
    x = 227,609.27/502.88
  6. Step 6: Final answer
    x = 452.61

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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.