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Finding the Fourth Proportional to 355.33, 532.99 and 160.22

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Solution

The fourth proportional to 355.33, 532.99 and 160.22 is: 240.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    355.33 : 532.99 = 160.22 : x
  2. Step 2: Convert to fraction form
    355.33/532.99 = 160.22/x
  3. Step 3: Cross multiply
    355.33x = 532.99 × 160.22
  4. Step 4: Simplify right side
    355.33x = 85,394.86
  5. Step 5: Solve for x
    x = 85,394.86/355.33
  6. Step 6: Final answer
    x = 240.33

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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.