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Finding the Fourth Proportional to 263.38, 395.33 and 160.87

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Solution

The fourth proportional to 263.38, 395.33 and 160.87 is: 241.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.38 : 395.33 = 160.87 : x
  2. Step 2: Convert to fraction form
    263.38/395.33 = 160.87/x
  3. Step 3: Cross multiply
    263.38x = 395.33 × 160.87
  4. Step 4: Simplify right side
    263.38x = 63,596.74
  5. Step 5: Solve for x
    x = 63,596.74/263.38
  6. Step 6: Final answer
    x = 241.46

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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.