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Finding the Fourth Proportional to 204.36, 281.58 and 146.04

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Solution

The fourth proportional to 204.36, 281.58 and 146.04 is: 201.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    204.36 : 281.58 = 146.04 : x
  2. Step 2: Convert to fraction form
    204.36/281.58 = 146.04/x
  3. Step 3: Cross multiply
    204.36x = 281.58 × 146.04
  4. Step 4: Simplify right side
    204.36x = 41,121.94
  5. Step 5: Solve for x
    x = 41,121.94/204.36
  6. Step 6: Final answer
    x = 201.22

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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.