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Finding the Fourth Proportional to 396.48, 597.48 and 372.16

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Solution

The fourth proportional to 396.48, 597.48 and 372.16 is: 560.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    396.48 : 597.48 = 372.16 : x
  2. Step 2: Convert to fraction form
    396.48/597.48 = 372.16/x
  3. Step 3: Cross multiply
    396.48x = 597.48 × 372.16
  4. Step 4: Simplify right side
    396.48x = 222,358.16
  5. Step 5: Solve for x
    x = 222,358.16/396.48
  6. Step 6: Final answer
    x = 560.83

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.