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Finding the Fourth Proportional to 235.27, 352.36 and 224.11

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Solution

The fourth proportional to 235.27, 352.36 and 224.11 is: 335.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.27 : 352.36 = 224.11 : x
  2. Step 2: Convert to fraction form
    235.27/352.36 = 224.11/x
  3. Step 3: Cross multiply
    235.27x = 352.36 × 224.11
  4. Step 4: Simplify right side
    235.27x = 78,964.52
  5. Step 5: Solve for x
    x = 78,964.52/235.27
  6. Step 6: Final answer
    x = 335.64

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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.