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Finding the Fourth Proportional to 144.54, 199.47 and 95.52

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Solution

The fourth proportional to 144.54, 199.47 and 95.52 is: 131.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    144.54 : 199.47 = 95.52 : x
  2. Step 2: Convert to fraction form
    144.54/199.47 = 95.52/x
  3. Step 3: Cross multiply
    144.54x = 199.47 × 95.52
  4. Step 4: Simplify right side
    144.54x = 19,053.37
  5. Step 5: Solve for x
    x = 19,053.37/144.54
  6. Step 6: Final answer
    x = 131.82

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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.