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Finding the Fourth Proportional to 231.24, 347.04 and 167.16

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Solution

The fourth proportional to 231.24, 347.04 and 167.16 is: 250.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    231.24 : 347.04 = 167.16 : x
  2. Step 2: Convert to fraction form
    231.24/347.04 = 167.16/x
  3. Step 3: Cross multiply
    231.24x = 347.04 × 167.16
  4. Step 4: Simplify right side
    231.24x = 58,011.21
  5. Step 5: Solve for x
    x = 58,011.21/231.24
  6. Step 6: Final answer
    x = 250.87

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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.