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Finding the Fourth Proportional to 481.26, 658.25 and 473.70

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Solution

The fourth proportional to 481.26, 658.25 and 473.70 is: 647.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    481.26 : 658.25 = 473.70 : x
  2. Step 2: Convert to fraction form
    481.26/658.25 = 473.70/x
  3. Step 3: Cross multiply
    481.26x = 658.25 × 473.70
  4. Step 4: Simplify right side
    481.26x = 311,810.66
  5. Step 5: Solve for x
    x = 311,810.66/481.26
  6. Step 6: Final answer
    x = 647.90

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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.