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Finding the Fourth Proportional to 146.40, 202.01 and 97.19

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Solution

The fourth proportional to 146.40, 202.01 and 97.19 is: 134.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    146.40 : 202.01 = 97.19 : x
  2. Step 2: Convert to fraction form
    146.40/202.01 = 97.19/x
  3. Step 3: Cross multiply
    146.40x = 202.01 × 97.19
  4. Step 4: Simplify right side
    146.40x = 19,633.35
  5. Step 5: Solve for x
    x = 19,633.35/146.40
  6. Step 6: Final answer
    x = 134.11

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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.