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Finding the Fourth Proportional to 630.95, 944.81 and 527.97

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Solution

The fourth proportional to 630.95, 944.81 and 527.97 is: 790.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    630.95 : 944.81 = 527.97 : x
  2. Step 2: Convert to fraction form
    630.95/944.81 = 527.97/x
  3. Step 3: Cross multiply
    630.95x = 944.81 × 527.97
  4. Step 4: Simplify right side
    630.95x = 498,832.66
  5. Step 5: Solve for x
    x = 498,832.66/630.95
  6. Step 6: Final answer
    x = 790.61

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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.