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Finding the Fourth Proportional to 338.26, 466.95 and 226.41

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Solution

The fourth proportional to 338.26, 466.95 and 226.41 is: 312.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.26 : 466.95 = 226.41 : x
  2. Step 2: Convert to fraction form
    338.26/466.95 = 226.41/x
  3. Step 3: Cross multiply
    338.26x = 466.95 × 226.41
  4. Step 4: Simplify right side
    338.26x = 105,722.15
  5. Step 5: Solve for x
    x = 105,722.15/338.26
  6. Step 6: Final answer
    x = 312.55

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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.