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Finding the Fourth Proportional to 235.56, 351.06 and 227.76

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Solution

The fourth proportional to 235.56, 351.06 and 227.76 is: 339.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.56 : 351.06 = 227.76 : x
  2. Step 2: Convert to fraction form
    235.56/351.06 = 227.76/x
  3. Step 3: Cross multiply
    235.56x = 351.06 × 227.76
  4. Step 4: Simplify right side
    235.56x = 79,957.43
  5. Step 5: Solve for x
    x = 79,957.43/235.56
  6. Step 6: Final answer
    x = 339.44

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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.