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Finding the Fourth Proportional to 196.26, 292.94 and 173.20

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Solution

The fourth proportional to 196.26, 292.94 and 173.20 is: 258.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.26 : 292.94 = 173.20 : x
  2. Step 2: Convert to fraction form
    196.26/292.94 = 173.20/x
  3. Step 3: Cross multiply
    196.26x = 292.94 × 173.20
  4. Step 4: Simplify right side
    196.26x = 50,737.21
  5. Step 5: Solve for x
    x = 50,737.21/196.26
  6. Step 6: Final answer
    x = 258.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.