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Finding the Fourth Proportional to 366.29, 549.30 and 149.75

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Solution

The fourth proportional to 366.29, 549.30 and 149.75 is: 224.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.29 : 549.30 = 149.75 : x
  2. Step 2: Convert to fraction form
    366.29/549.30 = 149.75/x
  3. Step 3: Cross multiply
    366.29x = 549.30 × 149.75
  4. Step 4: Simplify right side
    366.29x = 82,257.68
  5. Step 5: Solve for x
    x = 82,257.68/366.29
  6. Step 6: Final answer
    x = 224.57

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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.