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Finding the Fourth Proportional to 365.97, 549.18 and 160.56

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Solution

The fourth proportional to 365.97, 549.18 and 160.56 is: 240.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.97 : 549.18 = 160.56 : x
  2. Step 2: Convert to fraction form
    365.97/549.18 = 160.56/x
  3. Step 3: Cross multiply
    365.97x = 549.18 × 160.56
  4. Step 4: Simplify right side
    365.97x = 88,176.34
  5. Step 5: Solve for x
    x = 88,176.34/365.97
  6. Step 6: Final answer
    x = 240.94

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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.