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Finding the Fourth Proportional to 146.57, 202.10 and 97.52

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Solution

The fourth proportional to 146.57, 202.10 and 97.52 is: 134.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    146.57 : 202.10 = 97.52 : x
  2. Step 2: Convert to fraction form
    146.57/202.10 = 97.52/x
  3. Step 3: Cross multiply
    146.57x = 202.10 × 97.52
  4. Step 4: Simplify right side
    146.57x = 19,707.29
  5. Step 5: Solve for x
    x = 19,707.29/146.57
  6. Step 6: Final answer
    x = 134.46

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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.