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Finding the Fourth Proportional to 196.54, 295.88 and 179.80

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Solution

The fourth proportional to 196.54, 295.88 and 179.80 is: 270.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.54 : 295.88 = 179.80 : x
  2. Step 2: Convert to fraction form
    196.54/295.88 = 179.80/x
  3. Step 3: Cross multiply
    196.54x = 295.88 × 179.80
  4. Step 4: Simplify right side
    196.54x = 53,199.22
  5. Step 5: Solve for x
    x = 53,199.22/196.54
  6. Step 6: Final answer
    x = 270.68

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.