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Finding the Fourth Proportional to 481.08, 658.18 and 479.03

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Solution

The fourth proportional to 481.08, 658.18 and 479.03 is: 655.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    481.08 : 658.18 = 479.03 : x
  2. Step 2: Convert to fraction form
    481.08/658.18 = 479.03/x
  3. Step 3: Cross multiply
    481.08x = 658.18 × 479.03
  4. Step 4: Simplify right side
    481.08x = 315,287.97
  5. Step 5: Solve for x
    x = 315,287.97/481.08
  6. Step 6: Final answer
    x = 655.38

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.