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Finding the Fourth Proportional to 362.62, 500.47 and 238.64

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Solution

The fourth proportional to 362.62, 500.47 and 238.64 is: 329.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.62 : 500.47 = 238.64 : x
  2. Step 2: Convert to fraction form
    362.62/500.47 = 238.64/x
  3. Step 3: Cross multiply
    362.62x = 500.47 × 238.64
  4. Step 4: Simplify right side
    362.62x = 119,432.16
  5. Step 5: Solve for x
    x = 119,432.16/362.62
  6. Step 6: Final answer
    x = 329.36

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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.