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Finding the Fourth Proportional to 537.39, 742.20 and 362.43

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Solution

The fourth proportional to 537.39, 742.20 and 362.43 is: 500.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    537.39 : 742.20 = 362.43 : x
  2. Step 2: Convert to fraction form
    537.39/742.20 = 362.43/x
  3. Step 3: Cross multiply
    537.39x = 742.20 × 362.43
  4. Step 4: Simplify right side
    537.39x = 268,995.55
  5. Step 5: Solve for x
    x = 268,995.55/537.39
  6. Step 6: Final answer
    x = 500.56

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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.