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Finding the Fourth Proportional to 250.29, 347.04 and 247.23

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Solution

The fourth proportional to 250.29, 347.04 and 247.23 is: 342.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.29 : 347.04 = 247.23 : x
  2. Step 2: Convert to fraction form
    250.29/347.04 = 247.23/x
  3. Step 3: Cross multiply
    250.29x = 347.04 × 247.23
  4. Step 4: Simplify right side
    250.29x = 85,798.70
  5. Step 5: Solve for x
    x = 85,798.70/250.29
  6. Step 6: Final answer
    x = 342.80

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.