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Finding the Fourth Proportional to 159.24, 219.77 and 97.08

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Solution

The fourth proportional to 159.24, 219.77 and 97.08 is: 133.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    159.24 : 219.77 = 97.08 : x
  2. Step 2: Convert to fraction form
    159.24/219.77 = 97.08/x
  3. Step 3: Cross multiply
    159.24x = 219.77 × 97.08
  4. Step 4: Simplify right side
    159.24x = 21,335.27
  5. Step 5: Solve for x
    x = 21,335.27/159.24
  6. Step 6: Final answer
    x = 133.98

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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.