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Finding the Fourth Proportional to 338.84, 467.82 and 226.92

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Solution

The fourth proportional to 338.84, 467.82 and 226.92 is: 313.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.84 : 467.82 = 226.92 : x
  2. Step 2: Convert to fraction form
    338.84/467.82 = 226.92/x
  3. Step 3: Cross multiply
    338.84x = 467.82 × 226.92
  4. Step 4: Simplify right side
    338.84x = 106,157.71
  5. Step 5: Solve for x
    x = 106,157.71/338.84
  6. Step 6: Final answer
    x = 313.30

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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.