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Finding the Fourth Proportional to 358.62, 537.50 and 163.38

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Solution

The fourth proportional to 358.62, 537.50 and 163.38 is: 244.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.62 : 537.50 = 163.38 : x
  2. Step 2: Convert to fraction form
    358.62/537.50 = 163.38/x
  3. Step 3: Cross multiply
    358.62x = 537.50 × 163.38
  4. Step 4: Simplify right side
    358.62x = 87,816.75
  5. Step 5: Solve for x
    x = 87,816.75/358.62
  6. Step 6: Final answer
    x = 244.87

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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.