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Finding the Fourth Proportional to 626.05, 939.12 and 337.42

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Solution

The fourth proportional to 626.05, 939.12 and 337.42 is: 506.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    626.05 : 939.12 = 337.42 : x
  2. Step 2: Convert to fraction form
    626.05/939.12 = 337.42/x
  3. Step 3: Cross multiply
    626.05x = 939.12 × 337.42
  4. Step 4: Simplify right side
    626.05x = 316,877.87
  5. Step 5: Solve for x
    x = 316,877.87/626.05
  6. Step 6: Final answer
    x = 506.15

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