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Finding the Fourth Proportional to 244.80, 337.90 and 167.22

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Solution

The fourth proportional to 244.80, 337.90 and 167.22 is: 230.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.80 : 337.90 = 167.22 : x
  2. Step 2: Convert to fraction form
    244.80/337.90 = 167.22/x
  3. Step 3: Cross multiply
    244.80x = 337.90 × 167.22
  4. Step 4: Simplify right side
    244.80x = 56,503.64
  5. Step 5: Solve for x
    x = 56,503.64/244.80
  6. Step 6: Final answer
    x = 230.82

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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.