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Finding the Fourth Proportional to 297.22, 410.18 and 166.24

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Solution

The fourth proportional to 297.22, 410.18 and 166.24 is: 229.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.22 : 410.18 = 166.24 : x
  2. Step 2: Convert to fraction form
    297.22/410.18 = 166.24/x
  3. Step 3: Cross multiply
    297.22x = 410.18 × 166.24
  4. Step 4: Simplify right side
    297.22x = 68,188.32
  5. Step 5: Solve for x
    x = 68,188.32/297.22
  6. Step 6: Final answer
    x = 229.42

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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.