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Finding the Fourth Proportional to 358.35, 537.52 and 163.24

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Solution

The fourth proportional to 358.35, 537.52 and 163.24 is: 244.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.35 : 537.52 = 163.24 : x
  2. Step 2: Convert to fraction form
    358.35/537.52 = 163.24/x
  3. Step 3: Cross multiply
    358.35x = 537.52 × 163.24
  4. Step 4: Simplify right side
    358.35x = 87,742.08
  5. Step 5: Solve for x
    x = 87,742.08/358.35
  6. Step 6: Final answer
    x = 244.85

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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.