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Finding the Fourth Proportional to 141.16, 211.75 and 44.98

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Solution

The fourth proportional to 141.16, 211.75 and 44.98 is: 67.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    141.16 : 211.75 = 44.98 : x
  2. Step 2: Convert to fraction form
    141.16/211.75 = 44.98/x
  3. Step 3: Cross multiply
    141.16x = 211.75 × 44.98
  4. Step 4: Simplify right side
    141.16x = 9,524.52
  5. Step 5: Solve for x
    x = 9,524.52/141.16
  6. Step 6: Final answer
    x = 67.47

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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.