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Finding the Fourth Proportional to 101.22, 152.08 and 95.70

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Solution

The fourth proportional to 101.22, 152.08 and 95.70 is: 143.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    101.22 : 152.08 = 95.70 : x
  2. Step 2: Convert to fraction form
    101.22/152.08 = 95.70/x
  3. Step 3: Cross multiply
    101.22x = 152.08 × 95.70
  4. Step 4: Simplify right side
    101.22x = 14,554.06
  5. Step 5: Solve for x
    x = 14,554.06/101.22
  6. Step 6: Final answer
    x = 143.79

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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.