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Finding the Fourth Proportional to 204.03, 281.26 and 154.82

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Solution

The fourth proportional to 204.03, 281.26 and 154.82 is: 213.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    204.03 : 281.26 = 154.82 : x
  2. Step 2: Convert to fraction form
    204.03/281.26 = 154.82/x
  3. Step 3: Cross multiply
    204.03x = 281.26 × 154.82
  4. Step 4: Simplify right side
    204.03x = 43,544.67
  5. Step 5: Solve for x
    x = 43,544.67/204.03
  6. Step 6: Final answer
    x = 213.42

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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.