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Finding the Fourth Proportional to 229.18, 341.92 and 227.56

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Solution

The fourth proportional to 229.18, 341.92 and 227.56 is: 339.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.18 : 341.92 = 227.56 : x
  2. Step 2: Convert to fraction form
    229.18/341.92 = 227.56/x
  3. Step 3: Cross multiply
    229.18x = 341.92 × 227.56
  4. Step 4: Simplify right side
    229.18x = 77,807.32
  5. Step 5: Solve for x
    x = 77,807.32/229.18
  6. Step 6: Final answer
    x = 339.50

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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.