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Finding the Fourth Proportional to 481.44, 667.29 and 473.61

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Solution

The fourth proportional to 481.44, 667.29 and 473.61 is: 656.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    481.44 : 667.29 = 473.61 : x
  2. Step 2: Convert to fraction form
    481.44/667.29 = 473.61/x
  3. Step 3: Cross multiply
    481.44x = 667.29 × 473.61
  4. Step 4: Simplify right side
    481.44x = 316,035.22
  5. Step 5: Solve for x
    x = 316,035.22/481.44
  6. Step 6: Final answer
    x = 656.44

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.