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Finding the Fourth Proportional to 396.02, 547.15 and 337.63

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Solution

The fourth proportional to 396.02, 547.15 and 337.63 is: 466.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    396.02 : 547.15 = 337.63 : x
  2. Step 2: Convert to fraction form
    396.02/547.15 = 337.63/x
  3. Step 3: Cross multiply
    396.02x = 547.15 × 337.63
  4. Step 4: Simplify right side
    396.02x = 184,732.16
  5. Step 5: Solve for x
    x = 184,732.16/396.02
  6. Step 6: Final answer
    x = 466.47

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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.