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Finding the Fourth Proportional to 365.92, 549.13 and 160.38

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Solution

The fourth proportional to 365.92, 549.13 and 160.38 is: 240.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.92 : 549.13 = 160.38 : x
  2. Step 2: Convert to fraction form
    365.92/549.13 = 160.38/x
  3. Step 3: Cross multiply
    365.92x = 549.13 × 160.38
  4. Step 4: Simplify right side
    365.92x = 88,069.37
  5. Step 5: Solve for x
    x = 88,069.37/365.92
  6. Step 6: Final answer
    x = 240.68

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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.