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Finding the Fourth Proportional to 196.30, 294.51 and 88.10

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Solution

The fourth proportional to 196.30, 294.51 and 88.10 is: 132.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.30 : 294.51 = 88.10 : x
  2. Step 2: Convert to fraction form
    196.30/294.51 = 88.10/x
  3. Step 3: Cross multiply
    196.30x = 294.51 × 88.10
  4. Step 4: Simplify right side
    196.30x = 25,944.86
  5. Step 5: Solve for x
    x = 25,944.86/196.30
  6. Step 6: Final answer
    x = 132.17

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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.