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Finding the Fourth Proportional to 366.74, 505.30 and 250.10

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Solution

The fourth proportional to 366.74, 505.30 and 250.10 is: 344.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.74 : 505.30 = 250.10 : x
  2. Step 2: Convert to fraction form
    366.74/505.30 = 250.10/x
  3. Step 3: Cross multiply
    366.74x = 505.30 × 250.10
  4. Step 4: Simplify right side
    366.74x = 126,375.53
  5. Step 5: Solve for x
    x = 126,375.53/366.74
  6. Step 6: Final answer
    x = 344.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.