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Finding the Fourth Proportional to 94.09, 141.14 and 36.34

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Solution

The fourth proportional to 94.09, 141.14 and 36.34 is: 54.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.09 : 141.14 = 36.34 : x
  2. Step 2: Convert to fraction form
    94.09/141.14 = 36.34/x
  3. Step 3: Cross multiply
    94.09x = 141.14 × 36.34
  4. Step 4: Simplify right side
    94.09x = 5,129.03
  5. Step 5: Solve for x
    x = 5,129.03/94.09
  6. Step 6: Final answer
    x = 54.51

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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.