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Finding the Fourth Proportional to 396.03, 593.98 and 132.49

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Solution

The fourth proportional to 396.03, 593.98 and 132.49 is: 198.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    396.03 : 593.98 = 132.49 : x
  2. Step 2: Convert to fraction form
    396.03/593.98 = 132.49/x
  3. Step 3: Cross multiply
    396.03x = 593.98 × 132.49
  4. Step 4: Simplify right side
    396.03x = 78,694.87
  5. Step 5: Solve for x
    x = 78,694.87/396.03
  6. Step 6: Final answer
    x = 198.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.