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Finding the Fourth Proportional to 362.22, 543.36 and 167.22

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Solution

The fourth proportional to 362.22, 543.36 and 167.22 is: 250.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.22 : 543.36 = 167.22 : x
  2. Step 2: Convert to fraction form
    362.22/543.36 = 167.22/x
  3. Step 3: Cross multiply
    362.22x = 543.36 × 167.22
  4. Step 4: Simplify right side
    362.22x = 90,860.66
  5. Step 5: Solve for x
    x = 90,860.66/362.22
  6. Step 6: Final answer
    x = 250.84

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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.