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Finding the Fourth Proportional to 630.28, 943.40 and 337.05

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Solution

The fourth proportional to 630.28, 943.40 and 337.05 is: 504.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    630.28 : 943.40 = 337.05 : x
  2. Step 2: Convert to fraction form
    630.28/943.40 = 337.05/x
  3. Step 3: Cross multiply
    630.28x = 943.40 × 337.05
  4. Step 4: Simplify right side
    630.28x = 317,972.97
  5. Step 5: Solve for x
    x = 317,972.97/630.28
  6. Step 6: Final answer
    x = 504.49

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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.