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Finding the Fourth Proportional to 248.16, 372.60 and 226.92

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Solution

The fourth proportional to 248.16, 372.60 and 226.92 is: 340.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.16 : 372.60 = 226.92 : x
  2. Step 2: Convert to fraction form
    248.16/372.60 = 226.92/x
  3. Step 3: Cross multiply
    248.16x = 372.60 × 226.92
  4. Step 4: Simplify right side
    248.16x = 84,550.39
  5. Step 5: Solve for x
    x = 84,550.39/248.16
  6. Step 6: Final answer
    x = 340.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.