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Finding the Fourth Proportional to 144.82, 216.14 and 136.18

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Solution

The fourth proportional to 144.82, 216.14 and 136.18 is: 203.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    144.82 : 216.14 = 136.18 : x
  2. Step 2: Convert to fraction form
    144.82/216.14 = 136.18/x
  3. Step 3: Cross multiply
    144.82x = 216.14 × 136.18
  4. Step 4: Simplify right side
    144.82x = 29,433.95
  5. Step 5: Solve for x
    x = 29,433.95/144.82
  6. Step 6: Final answer
    x = 203.25

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.