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Finding the Fourth Proportional to 240.92, 332.28 and 167.22

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Solution

The fourth proportional to 240.92, 332.28 and 167.22 is: 230.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.92 : 332.28 = 167.22 : x
  2. Step 2: Convert to fraction form
    240.92/332.28 = 167.22/x
  3. Step 3: Cross multiply
    240.92x = 332.28 × 167.22
  4. Step 4: Simplify right side
    240.92x = 55,563.86
  5. Step 5: Solve for x
    x = 55,563.86/240.92
  6. Step 6: Final answer
    x = 230.63

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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.