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Finding the Fourth Proportional to 196.83, 295.17 and 75.10

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Solution

The fourth proportional to 196.83, 295.17 and 75.10 is: 112.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.83 : 295.17 = 75.10 : x
  2. Step 2: Convert to fraction form
    196.83/295.17 = 75.10/x
  3. Step 3: Cross multiply
    196.83x = 295.17 × 75.10
  4. Step 4: Simplify right side
    196.83x = 22,167.84
  5. Step 5: Solve for x
    x = 22,167.84/196.83
  6. Step 6: Final answer
    x = 112.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.