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Finding the Fourth Proportional to 162.87, 244.22 and 94.52

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Solution

The fourth proportional to 162.87, 244.22 and 94.52 is: 141.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.87 : 244.22 = 94.52 : x
  2. Step 2: Convert to fraction form
    162.87/244.22 = 94.52/x
  3. Step 3: Cross multiply
    162.87x = 244.22 × 94.52
  4. Step 4: Simplify right side
    162.87x = 23,083.98
  5. Step 5: Solve for x
    x = 23,083.98/162.87
  6. Step 6: Final answer
    x = 141.74

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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.