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Finding the Fourth Proportional to 94.44, 130.24 and 68.52

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Solution

The fourth proportional to 94.44, 130.24 and 68.52 is: 94.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.44 : 130.24 = 68.52 : x
  2. Step 2: Convert to fraction form
    94.44/130.24 = 68.52/x
  3. Step 3: Cross multiply
    94.44x = 130.24 × 68.52
  4. Step 4: Simplify right side
    94.44x = 8,924.04
  5. Step 5: Solve for x
    x = 8,924.04/94.44
  6. Step 6: Final answer
    x = 94.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.