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Finding the Fourth Proportional to 226.32, 339 and 223.86

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Solution

The fourth proportional to 226.32, 339 and 223.86 is: 335.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.32 : 339 = 223.86 : x
  2. Step 2: Convert to fraction form
    226.32/339 = 223.86/x
  3. Step 3: Cross multiply
    226.32x = 339 × 223.86
  4. Step 4: Simplify right side
    226.32x = 75,888.54
  5. Step 5: Solve for x
    x = 75,888.54/226.32
  6. Step 6: Final answer
    x = 335.32

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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.