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Finding the Fourth Proportional to 250.44, 345.89 and 247.02

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Solution

The fourth proportional to 250.44, 345.89 and 247.02 is: 341.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.44 : 345.89 = 247.02 : x
  2. Step 2: Convert to fraction form
    250.44/345.89 = 247.02/x
  3. Step 3: Cross multiply
    250.44x = 345.89 × 247.02
  4. Step 4: Simplify right side
    250.44x = 85,442.27
  5. Step 5: Solve for x
    x = 85,442.27/250.44
  6. Step 6: Final answer
    x = 341.17

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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.