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Finding the Fourth Proportional to 227.62, 340.96 and 146.05

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Solution

The fourth proportional to 227.62, 340.96 and 146.05 is: 218.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    227.62 : 340.96 = 146.05 : x
  2. Step 2: Convert to fraction form
    227.62/340.96 = 146.05/x
  3. Step 3: Cross multiply
    227.62x = 340.96 × 146.05
  4. Step 4: Simplify right side
    227.62x = 49,796.48
  5. Step 5: Solve for x
    x = 49,796.48/227.62
  6. Step 6: Final answer
    x = 218.77

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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.