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Finding the Fourth Proportional to 650.56, 974.94 and 326.14

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Solution

The fourth proportional to 650.56, 974.94 and 326.14 is: 488.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.56 : 974.94 = 326.14 : x
  2. Step 2: Convert to fraction form
    650.56/974.94 = 326.14/x
  3. Step 3: Cross multiply
    650.56x = 974.94 × 326.14
  4. Step 4: Simplify right side
    650.56x = 317,966.93
  5. Step 5: Solve for x
    x = 317,966.93/650.56
  6. Step 6: Final answer
    x = 488.76

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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.