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Finding the Fourth Proportional to 240.61, 332.16 and 166.29

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Solution

The fourth proportional to 240.61, 332.16 and 166.29 is: 229.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.61 : 332.16 = 166.29 : x
  2. Step 2: Convert to fraction form
    240.61/332.16 = 166.29/x
  3. Step 3: Cross multiply
    240.61x = 332.16 × 166.29
  4. Step 4: Simplify right side
    240.61x = 55,234.89
  5. Step 5: Solve for x
    x = 55,234.89/240.61
  6. Step 6: Final answer
    x = 229.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.