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Finding the Fourth Proportional to 141.89, 194.58 and 134.87

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Solution

The fourth proportional to 141.89, 194.58 and 134.87 is: 184.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    141.89 : 194.58 = 134.87 : x
  2. Step 2: Convert to fraction form
    141.89/194.58 = 134.87/x
  3. Step 3: Cross multiply
    141.89x = 194.58 × 134.87
  4. Step 4: Simplify right side
    141.89x = 26,243.00
  5. Step 5: Solve for x
    x = 26,243.00/141.89
  6. Step 6: Final answer
    x = 184.95

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.