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Finding the Fourth Proportional to 106.58, 159.14 and 94.44

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Solution

The fourth proportional to 106.58, 159.14 and 94.44 is: 141.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    106.58 : 159.14 = 94.44 : x
  2. Step 2: Convert to fraction form
    106.58/159.14 = 94.44/x
  3. Step 3: Cross multiply
    106.58x = 159.14 × 94.44
  4. Step 4: Simplify right side
    106.58x = 15,029.18
  5. Step 5: Solve for x
    x = 15,029.18/106.58
  6. Step 6: Final answer
    x = 141.01

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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.