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Finding the Fourth Proportional to 250.22, 376.67 and 227.90

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Solution

The fourth proportional to 250.22, 376.67 and 227.90 is: 343.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.22 : 376.67 = 227.90 : x
  2. Step 2: Convert to fraction form
    250.22/376.67 = 227.90/x
  3. Step 3: Cross multiply
    250.22x = 376.67 × 227.90
  4. Step 4: Simplify right side
    250.22x = 85,843.09
  5. Step 5: Solve for x
    x = 85,843.09/250.22
  6. Step 6: Final answer
    x = 343.07

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.