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Finding the Fourth Proportional to 136.23, 204.36 and 44.94

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Solution

The fourth proportional to 136.23, 204.36 and 44.94 is: 67.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    136.23 : 204.36 = 44.94 : x
  2. Step 2: Convert to fraction form
    136.23/204.36 = 44.94/x
  3. Step 3: Cross multiply
    136.23x = 204.36 × 44.94
  4. Step 4: Simplify right side
    136.23x = 9,183.39
  5. Step 5: Solve for x
    x = 9,183.39/136.23
  6. Step 6: Final answer
    x = 67.41

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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.