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Finding the Fourth Proportional to 106.58, 160.02 and 102.48

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Solution

The fourth proportional to 106.58, 160.02 and 102.48 is: 153.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    106.58 : 160.02 = 102.48 : x
  2. Step 2: Convert to fraction form
    106.58/160.02 = 102.48/x
  3. Step 3: Cross multiply
    106.58x = 160.02 × 102.48
  4. Step 4: Simplify right side
    106.58x = 16,398.85
  5. Step 5: Solve for x
    x = 16,398.85/106.58
  6. Step 6: Final answer
    x = 153.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.