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Finding the Fourth Proportional to 363.57, 542.37 and 351.24

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Solution

The fourth proportional to 363.57, 542.37 and 351.24 is: 523.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.57 : 542.37 = 351.24 : x
  2. Step 2: Convert to fraction form
    363.57/542.37 = 351.24/x
  3. Step 3: Cross multiply
    363.57x = 542.37 × 351.24
  4. Step 4: Simplify right side
    363.57x = 190,502.04
  5. Step 5: Solve for x
    x = 190,502.04/363.57
  6. Step 6: Final answer
    x = 523.98

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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.