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Finding the Fourth Proportional to 247.38, 373.07 and 223.98

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Solution

The fourth proportional to 247.38, 373.07 and 223.98 is: 337.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.38 : 373.07 = 223.98 : x
  2. Step 2: Convert to fraction form
    247.38/373.07 = 223.98/x
  3. Step 3: Cross multiply
    247.38x = 373.07 × 223.98
  4. Step 4: Simplify right side
    247.38x = 83,559.10
  5. Step 5: Solve for x
    x = 83,559.10/247.38
  6. Step 6: Final answer
    x = 337.78

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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.