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Finding the Fourth Proportional to 338.35, 466.89 and 240.14

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Solution

The fourth proportional to 338.35, 466.89 and 240.14 is: 331.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.35 : 466.89 = 240.14 : x
  2. Step 2: Convert to fraction form
    338.35/466.89 = 240.14/x
  3. Step 3: Cross multiply
    338.35x = 466.89 × 240.14
  4. Step 4: Simplify right side
    338.35x = 112,118.96
  5. Step 5: Solve for x
    x = 112,118.96/338.35
  6. Step 6: Final answer
    x = 331.37

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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.