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Finding the Fourth Proportional to 233.97, 323.01 and 167.91

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Solution

The fourth proportional to 233.97, 323.01 and 167.91 is: 231.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.97 : 323.01 = 167.91 : x
  2. Step 2: Convert to fraction form
    233.97/323.01 = 167.91/x
  3. Step 3: Cross multiply
    233.97x = 323.01 × 167.91
  4. Step 4: Simplify right side
    233.97x = 54,236.61
  5. Step 5: Solve for x
    x = 54,236.61/233.97
  6. Step 6: Final answer
    x = 231.81

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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.