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Finding the Fourth Proportional to 227.75, 340.88 and 146.16

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Solution

The fourth proportional to 227.75, 340.88 and 146.16 is: 218.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    227.75 : 340.88 = 146.16 : x
  2. Step 2: Convert to fraction form
    227.75/340.88 = 146.16/x
  3. Step 3: Cross multiply
    227.75x = 340.88 × 146.16
  4. Step 4: Simplify right side
    227.75x = 49,822.29
  5. Step 5: Solve for x
    x = 49,822.29/227.75
  6. Step 6: Final answer
    x = 218.76

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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.