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Finding the Fourth Proportional to 144.33, 215.94 and 96.33

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Solution

The fourth proportional to 144.33, 215.94 and 96.33 is: 144.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    144.33 : 215.94 = 96.33 : x
  2. Step 2: Convert to fraction form
    144.33/215.94 = 96.33/x
  3. Step 3: Cross multiply
    144.33x = 215.94 × 96.33
  4. Step 4: Simplify right side
    144.33x = 20,801.50
  5. Step 5: Solve for x
    x = 20,801.50/144.33
  6. Step 6: Final answer
    x = 144.12

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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.