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Finding the Fourth Proportional to 626.02, 939.92 and 624.18

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Solution

The fourth proportional to 626.02, 939.92 and 624.18 is: 937.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    626.02 : 939.92 = 624.18 : x
  2. Step 2: Convert to fraction form
    626.02/939.92 = 624.18/x
  3. Step 3: Cross multiply
    626.02x = 939.92 × 624.18
  4. Step 4: Simplify right side
    626.02x = 586,679.27
  5. Step 5: Solve for x
    x = 586,679.27/626.02
  6. Step 6: Final answer
    x = 937.16

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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.