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Finding the Fourth Proportional to 240.83, 332.28 and 167.18

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Solution

The fourth proportional to 240.83, 332.28 and 167.18 is: 230.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.83 : 332.28 = 167.18 : x
  2. Step 2: Convert to fraction form
    240.83/332.28 = 167.18/x
  3. Step 3: Cross multiply
    240.83x = 332.28 × 167.18
  4. Step 4: Simplify right side
    240.83x = 55,550.57
  5. Step 5: Solve for x
    x = 55,550.57/240.83
  6. Step 6: Final answer
    x = 230.66

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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.