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Finding the Fourth Proportional to 196.04, 293.92 and 87.62

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Solution

The fourth proportional to 196.04, 293.92 and 87.62 is: 131.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.04 : 293.92 = 87.62 : x
  2. Step 2: Convert to fraction form
    196.04/293.92 = 87.62/x
  3. Step 3: Cross multiply
    196.04x = 293.92 × 87.62
  4. Step 4: Simplify right side
    196.04x = 25,751.58
  5. Step 5: Solve for x
    x = 25,751.58/196.04
  6. Step 6: Final answer
    x = 131.36

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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.