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Finding the Fourth Proportional to 94.33, 131.06 and 93.23

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Solution

The fourth proportional to 94.33, 131.06 and 93.23 is: 129.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.33 : 131.06 = 93.23 : x
  2. Step 2: Convert to fraction form
    94.33/131.06 = 93.23/x
  3. Step 3: Cross multiply
    94.33x = 131.06 × 93.23
  4. Step 4: Simplify right side
    94.33x = 12,218.07
  5. Step 5: Solve for x
    x = 12,218.07/94.33
  6. Step 6: Final answer
    x = 129.53

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.