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Finding the Fourth Proportional to 240.07, 330.96 and 169.92

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Solution

The fourth proportional to 240.07, 330.96 and 169.92 is: 234.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.07 : 330.96 = 169.92 : x
  2. Step 2: Convert to fraction form
    240.07/330.96 = 169.92/x
  3. Step 3: Cross multiply
    240.07x = 330.96 × 169.92
  4. Step 4: Simplify right side
    240.07x = 56,236.72
  5. Step 5: Solve for x
    x = 56,236.72/240.07
  6. Step 6: Final answer
    x = 234.25

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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.