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Finding the Fourth Proportional to 358.28, 537.06 and 163.33

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Solution

The fourth proportional to 358.28, 537.06 and 163.33 is: 244.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.28 : 537.06 = 163.33 : x
  2. Step 2: Convert to fraction form
    358.28/537.06 = 163.33/x
  3. Step 3: Cross multiply
    358.28x = 537.06 × 163.33
  4. Step 4: Simplify right side
    358.28x = 87,715.32
  5. Step 5: Solve for x
    x = 87,715.32/358.28
  6. Step 6: Final answer
    x = 244.83

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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.