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Finding the Fourth Proportional to 473.56, 656.04 and 462.22

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Solution

The fourth proportional to 473.56, 656.04 and 462.22 is: 640.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.56 : 656.04 = 462.22 : x
  2. Step 2: Convert to fraction form
    473.56/656.04 = 462.22/x
  3. Step 3: Cross multiply
    473.56x = 656.04 × 462.22
  4. Step 4: Simplify right side
    473.56x = 303,234.90
  5. Step 5: Solve for x
    x = 303,234.90/473.56
  6. Step 6: Final answer
    x = 640.33

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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.