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Finding the Fourth Proportional to 94.17, 141.29 and 40.06

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Solution

The fourth proportional to 94.17, 141.29 and 40.06 is: 60.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.17 : 141.29 = 40.06 : x
  2. Step 2: Convert to fraction form
    94.17/141.29 = 40.06/x
  3. Step 3: Cross multiply
    94.17x = 141.29 × 40.06
  4. Step 4: Simplify right side
    94.17x = 5,660.08
  5. Step 5: Solve for x
    x = 5,660.08/94.17
  6. Step 6: Final answer
    x = 60.10

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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.