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Finding the Fourth Proportional to 338.08, 466.68 and 227.92

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Solution

The fourth proportional to 338.08, 466.68 and 227.92 is: 314.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.08 : 466.68 = 227.92 : x
  2. Step 2: Convert to fraction form
    338.08/466.68 = 227.92/x
  3. Step 3: Cross multiply
    338.08x = 466.68 × 227.92
  4. Step 4: Simplify right side
    338.08x = 106,365.71
  5. Step 5: Solve for x
    x = 106,365.71/338.08
  6. Step 6: Final answer
    x = 314.62

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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.