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Finding the Fourth Proportional to 362.32, 542.86 and 167

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Solution

The fourth proportional to 362.32, 542.86 and 167 is: 250.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.32 : 542.86 = 167 : x
  2. Step 2: Convert to fraction form
    362.32/542.86 = 167/x
  3. Step 3: Cross multiply
    362.32x = 542.86 × 167
  4. Step 4: Simplify right side
    362.32x = 90,657.62
  5. Step 5: Solve for x
    x = 90,657.62/362.32
  6. Step 6: Final answer
    x = 250.21

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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.