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Finding the Fourth Proportional to 626.92, 944.04 and 550.72

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Solution

The fourth proportional to 626.92, 944.04 and 550.72 is: 829.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    626.92 : 944.04 = 550.72 : x
  2. Step 2: Convert to fraction form
    626.92/944.04 = 550.72/x
  3. Step 3: Cross multiply
    626.92x = 944.04 × 550.72
  4. Step 4: Simplify right side
    626.92x = 519,901.71
  5. Step 5: Solve for x
    x = 519,901.71/626.92
  6. Step 6: Final answer
    x = 829.30

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.