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Finding the Fourth Proportional to 332.89, 499.51 and 196.20

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Solution

The fourth proportional to 332.89, 499.51 and 196.20 is: 294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.89 : 499.51 = 196.20 : x
  2. Step 2: Convert to fraction form
    332.89/499.51 = 196.20/x
  3. Step 3: Cross multiply
    332.89x = 499.51 × 196.20
  4. Step 4: Simplify right side
    332.89x = 98,003.86
  5. Step 5: Solve for x
    x = 98,003.86/332.89
  6. Step 6: Final answer
    x = 294.40

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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.