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Finding the Fourth Proportional to 366.14, 549 and 149.48

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Solution

The fourth proportional to 366.14, 549 and 149.48 is: 224.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.14 : 549 = 149.48 : x
  2. Step 2: Convert to fraction form
    366.14/549 = 149.48/x
  3. Step 3: Cross multiply
    366.14x = 549 × 149.48
  4. Step 4: Simplify right side
    366.14x = 82,064.52
  5. Step 5: Solve for x
    x = 82,064.52/366.14
  6. Step 6: Final answer
    x = 224.13

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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.