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Finding the Fourth Proportional to 232.05, 317.98 and 223.55

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Solution

The fourth proportional to 232.05, 317.98 and 223.55 is: 306.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.05 : 317.98 = 223.55 : x
  2. Step 2: Convert to fraction form
    232.05/317.98 = 223.55/x
  3. Step 3: Cross multiply
    232.05x = 317.98 × 223.55
  4. Step 4: Simplify right side
    232.05x = 71,084.43
  5. Step 5: Solve for x
    x = 71,084.43/232.05
  6. Step 6: Final answer
    x = 306.33

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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.