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Finding the Fourth Proportional to 350.57, 521.72 and 337.61

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Solution

The fourth proportional to 350.57, 521.72 and 337.61 is: 502.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.57 : 521.72 = 337.61 : x
  2. Step 2: Convert to fraction form
    350.57/521.72 = 337.61/x
  3. Step 3: Cross multiply
    350.57x = 521.72 × 337.61
  4. Step 4: Simplify right side
    350.57x = 176,133.59
  5. Step 5: Solve for x
    x = 176,133.59/350.57
  6. Step 6: Final answer
    x = 502.43

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.