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Finding the Fourth Proportional to 396.88, 595.67 and 165.92

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Solution

The fourth proportional to 396.88, 595.67 and 165.92 is: 249.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    396.88 : 595.67 = 165.92 : x
  2. Step 2: Convert to fraction form
    396.88/595.67 = 165.92/x
  3. Step 3: Cross multiply
    396.88x = 595.67 × 165.92
  4. Step 4: Simplify right side
    396.88x = 98,834.23
  5. Step 5: Solve for x
    x = 98,834.23/396.88
  6. Step 6: Final answer
    x = 249.03

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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.