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Finding the Fourth Proportional to 333.46, 500.20 and 187.19

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Solution

The fourth proportional to 333.46, 500.20 and 187.19 is: 280.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.46 : 500.20 = 187.19 : x
  2. Step 2: Convert to fraction form
    333.46/500.20 = 187.19/x
  3. Step 3: Cross multiply
    333.46x = 500.20 × 187.19
  4. Step 4: Simplify right side
    333.46x = 93,629.47
  5. Step 5: Solve for x
    x = 93,629.47/333.46
  6. Step 6: Final answer
    x = 280.78

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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.