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Finding the Fourth Proportional to 146.97, 202.83 and 96.51

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Solution

The fourth proportional to 146.97, 202.83 and 96.51 is: 133.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    146.97 : 202.83 = 96.51 : x
  2. Step 2: Convert to fraction form
    146.97/202.83 = 96.51/x
  3. Step 3: Cross multiply
    146.97x = 202.83 × 96.51
  4. Step 4: Simplify right side
    146.97x = 19,575.12
  5. Step 5: Solve for x
    x = 19,575.12/146.97
  6. Step 6: Final answer
    x = 133.19

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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.