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Finding the Fourth Proportional to 144.46, 199.29 and 95.32

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Solution

The fourth proportional to 144.46, 199.29 and 95.32 is: 131.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    144.46 : 199.29 = 95.32 : x
  2. Step 2: Convert to fraction form
    144.46/199.29 = 95.32/x
  3. Step 3: Cross multiply
    144.46x = 199.29 × 95.32
  4. Step 4: Simplify right side
    144.46x = 18,996.32
  5. Step 5: Solve for x
    x = 18,996.32/144.46
  6. Step 6: Final answer
    x = 131.50

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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.