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Finding the Fourth Proportional to 630.60, 944.73 and 528.54

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Solution

The fourth proportional to 630.60, 944.73 and 528.54 is: 791.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    630.60 : 944.73 = 528.54 : x
  2. Step 2: Convert to fraction form
    630.60/944.73 = 528.54/x
  3. Step 3: Cross multiply
    630.60x = 944.73 × 528.54
  4. Step 4: Simplify right side
    630.60x = 499,327.59
  5. Step 5: Solve for x
    x = 499,327.59/630.60
  6. Step 6: Final answer
    x = 791.83

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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.