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Finding the Fourth Proportional to 227.73, 339.96 and 193.26

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Solution

The fourth proportional to 227.73, 339.96 and 193.26 is: 288.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    227.73 : 339.96 = 193.26 : x
  2. Step 2: Convert to fraction form
    227.73/339.96 = 193.26/x
  3. Step 3: Cross multiply
    227.73x = 339.96 × 193.26
  4. Step 4: Simplify right side
    227.73x = 65,700.67
  5. Step 5: Solve for x
    x = 65,700.67/227.73
  6. Step 6: Final answer
    x = 288.50

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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.