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Finding the Fourth Proportional to 337.82, 466.21 and 225.59

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Solution

The fourth proportional to 337.82, 466.21 and 225.59 is: 311.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.82 : 466.21 = 225.59 : x
  2. Step 2: Convert to fraction form
    337.82/466.21 = 225.59/x
  3. Step 3: Cross multiply
    337.82x = 466.21 × 225.59
  4. Step 4: Simplify right side
    337.82x = 105,172.31
  5. Step 5: Solve for x
    x = 105,172.31/337.82
  6. Step 6: Final answer
    x = 311.33

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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.