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Finding the Fourth Proportional to 146.16, 201.87 and 97.26

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Solution

The fourth proportional to 146.16, 201.87 and 97.26 is: 134.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    146.16 : 201.87 = 97.26 : x
  2. Step 2: Convert to fraction form
    146.16/201.87 = 97.26/x
  3. Step 3: Cross multiply
    146.16x = 201.87 × 97.26
  4. Step 4: Simplify right side
    146.16x = 19,633.88
  5. Step 5: Solve for x
    x = 19,633.88/146.16
  6. Step 6: Final answer
    x = 134.33

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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.