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Finding the Fourth Proportional to 658.01, 987.62 and 333.61

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Solution

The fourth proportional to 658.01, 987.62 and 333.61 is: 500.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    658.01 : 987.62 = 333.61 : x
  2. Step 2: Convert to fraction form
    658.01/987.62 = 333.61/x
  3. Step 3: Cross multiply
    658.01x = 987.62 × 333.61
  4. Step 4: Simplify right side
    658.01x = 329,479.91
  5. Step 5: Solve for x
    x = 329,479.91/658.01
  6. Step 6: Final answer
    x = 500.72

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1.5x scale

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.