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Finding the Fourth Proportional to 366.65, 549.38 and 250.70

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Solution

The fourth proportional to 366.65, 549.38 and 250.70 is: 375.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.65 : 549.38 = 250.70 : x
  2. Step 2: Convert to fraction form
    366.65/549.38 = 250.70/x
  3. Step 3: Cross multiply
    366.65x = 549.38 × 250.70
  4. Step 4: Simplify right side
    366.65x = 137,725.57
  5. Step 5: Solve for x
    x = 137,725.57/366.65
  6. Step 6: Final answer
    x = 375.64

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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.