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Finding the Fourth Proportional to 94.71, 141.50 and 60.18

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Solution

The fourth proportional to 94.71, 141.50 and 60.18 is: 89.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.71 : 141.50 = 60.18 : x
  2. Step 2: Convert to fraction form
    94.71/141.50 = 60.18/x
  3. Step 3: Cross multiply
    94.71x = 141.50 × 60.18
  4. Step 4: Simplify right side
    94.71x = 8,515.17
  5. Step 5: Solve for x
    x = 8,515.17/94.71
  6. Step 6: Final answer
    x = 89.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.