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Finding the Fourth Proportional to 650.73, 974.01 and 342.15

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Solution

The fourth proportional to 650.73, 974.01 and 342.15 is: 512.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.73 : 974.01 = 342.15 : x
  2. Step 2: Convert to fraction form
    650.73/974.01 = 342.15/x
  3. Step 3: Cross multiply
    650.73x = 974.01 × 342.15
  4. Step 4: Simplify right side
    650.73x = 333,257.52
  5. Step 5: Solve for x
    x = 333,257.52/650.73
  6. Step 6: Final answer
    x = 512.13

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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.