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Finding the Fourth Proportional to 196.38, 270.36 and 175.77

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Solution

The fourth proportional to 196.38, 270.36 and 175.77 is: 241.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.38 : 270.36 = 175.77 : x
  2. Step 2: Convert to fraction form
    196.38/270.36 = 175.77/x
  3. Step 3: Cross multiply
    196.38x = 270.36 × 175.77
  4. Step 4: Simplify right side
    196.38x = 47,521.18
  5. Step 5: Solve for x
    x = 47,521.18/196.38
  6. Step 6: Final answer
    x = 241.99

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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.