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Finding the Fourth Proportional to 146.01, 200.63 and 116.85

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Solution

The fourth proportional to 146.01, 200.63 and 116.85 is: 160.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    146.01 : 200.63 = 116.85 : x
  2. Step 2: Convert to fraction form
    146.01/200.63 = 116.85/x
  3. Step 3: Cross multiply
    146.01x = 200.63 × 116.85
  4. Step 4: Simplify right side
    146.01x = 23,442.61
  5. Step 5: Solve for x
    x = 23,442.61/146.01
  6. Step 6: Final answer
    x = 160.56

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.