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Finding the Fourth Proportional to 141.08, 212.44 and 116.94

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Solution

The fourth proportional to 141.08, 212.44 and 116.94 is: 176.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    141.08 : 212.44 = 116.94 : x
  2. Step 2: Convert to fraction form
    141.08/212.44 = 116.94/x
  3. Step 3: Cross multiply
    141.08x = 212.44 × 116.94
  4. Step 4: Simplify right side
    141.08x = 24,842.73
  5. Step 5: Solve for x
    x = 24,842.73/141.08
  6. Step 6: Final answer
    x = 176.09

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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.