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Finding the Fourth Proportional to 162.27, 244.49 and 141.89

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Solution

The fourth proportional to 162.27, 244.49 and 141.89 is: 213.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.27 : 244.49 = 141.89 : x
  2. Step 2: Convert to fraction form
    162.27/244.49 = 141.89/x
  3. Step 3: Cross multiply
    162.27x = 244.49 × 141.89
  4. Step 4: Simplify right side
    162.27x = 34,688.75
  5. Step 5: Solve for x
    x = 34,688.75/162.27
  6. Step 6: Final answer
    x = 213.77

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.