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Finding the Fourth Proportional to 227.94, 342.02 and 112.36

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Solution

The fourth proportional to 227.94, 342.02 and 112.36 is: 168.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    227.94 : 342.02 = 112.36 : x
  2. Step 2: Convert to fraction form
    227.94/342.02 = 112.36/x
  3. Step 3: Cross multiply
    227.94x = 342.02 × 112.36
  4. Step 4: Simplify right side
    227.94x = 38,429.37
  5. Step 5: Solve for x
    x = 38,429.37/227.94
  6. Step 6: Final answer
    x = 168.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.