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Finding the Fourth Proportional to 247.73, 369.72 and 227.07

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Solution

The fourth proportional to 247.73, 369.72 and 227.07 is: 338.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.73 : 369.72 = 227.07 : x
  2. Step 2: Convert to fraction form
    247.73/369.72 = 227.07/x
  3. Step 3: Cross multiply
    247.73x = 369.72 × 227.07
  4. Step 4: Simplify right side
    247.73x = 83,952.32
  5. Step 5: Solve for x
    x = 83,952.32/247.73
  6. Step 6: Final answer
    x = 338.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.