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Finding the Fourth Proportional to 235.89, 353.97 and 160.92

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Solution

The fourth proportional to 235.89, 353.97 and 160.92 is: 241.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.89 : 353.97 = 160.92 : x
  2. Step 2: Convert to fraction form
    235.89/353.97 = 160.92/x
  3. Step 3: Cross multiply
    235.89x = 353.97 × 160.92
  4. Step 4: Simplify right side
    235.89x = 56,962.12
  5. Step 5: Solve for x
    x = 56,962.12/235.89
  6. Step 6: Final answer
    x = 241.48

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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.