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Finding the Fourth Proportional to 332.70, 499.14 and 202.84

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Solution

The fourth proportional to 332.70, 499.14 and 202.84 is: 304.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.70 : 499.14 = 202.84 : x
  2. Step 2: Convert to fraction form
    332.70/499.14 = 202.84/x
  3. Step 3: Cross multiply
    332.70x = 499.14 × 202.84
  4. Step 4: Simplify right side
    332.70x = 101,245.56
  5. Step 5: Solve for x
    x = 101,245.56/332.70
  6. Step 6: Final answer
    x = 304.31

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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.