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Finding the Fourth Proportional to 235.73, 351.70 and 227.54

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Solution

The fourth proportional to 235.73, 351.70 and 227.54 is: 339.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.73 : 351.70 = 227.54 : x
  2. Step 2: Convert to fraction form
    235.73/351.70 = 227.54/x
  3. Step 3: Cross multiply
    235.73x = 351.70 × 227.54
  4. Step 4: Simplify right side
    235.73x = 80,026.13
  5. Step 5: Solve for x
    x = 80,026.13/235.73
  6. Step 6: Final answer
    x = 339.48

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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.