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Finding the Fourth Proportional to 232.24, 347.84 and 171.22

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Solution

The fourth proportional to 232.24, 347.84 and 171.22 is: 256.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.24 : 347.84 = 171.22 : x
  2. Step 2: Convert to fraction form
    232.24/347.84 = 171.22/x
  3. Step 3: Cross multiply
    232.24x = 347.84 × 171.22
  4. Step 4: Simplify right side
    232.24x = 59,557.16
  5. Step 5: Solve for x
    x = 59,557.16/232.24
  6. Step 6: Final answer
    x = 256.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.