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Finding the Fourth Proportional to 162.91, 244.26 and 54.67

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Solution

The fourth proportional to 162.91, 244.26 and 54.67 is: 81.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.91 : 244.26 = 54.67 : x
  2. Step 2: Convert to fraction form
    162.91/244.26 = 54.67/x
  3. Step 3: Cross multiply
    162.91x = 244.26 × 54.67
  4. Step 4: Simplify right side
    162.91x = 13,353.69
  5. Step 5: Solve for x
    x = 13,353.69/162.91
  6. Step 6: Final answer
    x = 81.97

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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.