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Finding the Fourth Proportional to 141, 194.49 and 97.26

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Solution

The fourth proportional to 141, 194.49 and 97.26 is: 134.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    141 : 194.49 = 97.26 : x
  2. Step 2: Convert to fraction form
    141/194.49 = 97.26/x
  3. Step 3: Cross multiply
    141x = 194.49 × 97.26
  4. Step 4: Simplify right side
    141x = 18,916.10
  5. Step 5: Solve for x
    x = 18,916.10/141
  6. Step 6: Final answer
    x = 134.16

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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.