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Finding the Fourth Proportional to 141.10, 211.62 and 44.86

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Solution

The fourth proportional to 141.10, 211.62 and 44.86 is: 67.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    141.10 : 211.62 = 44.86 : x
  2. Step 2: Convert to fraction form
    141.10/211.62 = 44.86/x
  3. Step 3: Cross multiply
    141.10x = 211.62 × 44.86
  4. Step 4: Simplify right side
    141.10x = 9,493.27
  5. Step 5: Solve for x
    x = 9,493.27/141.10
  6. Step 6: Final answer
    x = 67.28

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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.