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Finding the Fourth Proportional to 365.98, 548.97 and 160.39

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Solution

The fourth proportional to 365.98, 548.97 and 160.39 is: 240.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.98 : 548.97 = 160.39 : x
  2. Step 2: Convert to fraction form
    365.98/548.97 = 160.39/x
  3. Step 3: Cross multiply
    365.98x = 548.97 × 160.39
  4. Step 4: Simplify right side
    365.98x = 88,049.30
  5. Step 5: Solve for x
    x = 88,049.30/365.98
  6. Step 6: Final answer
    x = 240.59

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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.