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Finding the Fourth Proportional to 650.93, 974.48 and 406.71

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Solution

The fourth proportional to 650.93, 974.48 and 406.71 is: 608.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.93 : 974.48 = 406.71 : x
  2. Step 2: Convert to fraction form
    650.93/974.48 = 406.71/x
  3. Step 3: Cross multiply
    650.93x = 974.48 × 406.71
  4. Step 4: Simplify right side
    650.93x = 396,328.73
  5. Step 5: Solve for x
    x = 396,328.73/650.93
  6. Step 6: Final answer
    x = 608.87

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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.