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Finding the Fourth Proportional to 94.06, 140.52 and 93.25

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Solution

The fourth proportional to 94.06, 140.52 and 93.25 is: 139.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.06 : 140.52 = 93.25 : x
  2. Step 2: Convert to fraction form
    94.06/140.52 = 93.25/x
  3. Step 3: Cross multiply
    94.06x = 140.52 × 93.25
  4. Step 4: Simplify right side
    94.06x = 13,103.49
  5. Step 5: Solve for x
    x = 13,103.49/94.06
  6. Step 6: Final answer
    x = 139.31

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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.