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Finding the Fourth Proportional to 338.14, 466.57 and 205.37

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Solution

The fourth proportional to 338.14, 466.57 and 205.37 is: 283.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.14 : 466.57 = 205.37 : x
  2. Step 2: Convert to fraction form
    338.14/466.57 = 205.37/x
  3. Step 3: Cross multiply
    338.14x = 466.57 × 205.37
  4. Step 4: Simplify right side
    338.14x = 95,819.48
  5. Step 5: Solve for x
    x = 95,819.48/338.14
  6. Step 6: Final answer
    x = 283.37

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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.