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Finding the Fourth Proportional to 626.04, 938.52 and 382.77

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Solution

The fourth proportional to 626.04, 938.52 and 382.77 is: 573.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    626.04 : 938.52 = 382.77 : x
  2. Step 2: Convert to fraction form
    626.04/938.52 = 382.77/x
  3. Step 3: Cross multiply
    626.04x = 938.52 × 382.77
  4. Step 4: Simplify right side
    626.04x = 359,237.30
  5. Step 5: Solve for x
    x = 359,237.30/626.04
  6. Step 6: Final answer
    x = 573.82

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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.