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Finding the Fourth Proportional to 227.29, 341.45 and 162.45

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Solution

The fourth proportional to 227.29, 341.45 and 162.45 is: 244.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    227.29 : 341.45 = 162.45 : x
  2. Step 2: Convert to fraction form
    227.29/341.45 = 162.45/x
  3. Step 3: Cross multiply
    227.29x = 341.45 × 162.45
  4. Step 4: Simplify right side
    227.29x = 55,468.55
  5. Step 5: Solve for x
    x = 55,468.55/227.29
  6. Step 6: Final answer
    x = 244.04

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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.