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Finding the Fourth Proportional to 106.27, 159.58 and 95.00

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Solution

The fourth proportional to 106.27, 159.58 and 95.00 is: 142.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    106.27 : 159.58 = 95.00 : x
  2. Step 2: Convert to fraction form
    106.27/159.58 = 95.00/x
  3. Step 3: Cross multiply
    106.27x = 159.58 × 95.00
  4. Step 4: Simplify right side
    106.27x = 15,160.00
  5. Step 5: Solve for x
    x = 15,160.00/106.27
  6. Step 6: Final answer
    x = 142.65

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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.