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Finding the Fourth Proportional to 538.96, 809.04 and 333.62

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Solution

The fourth proportional to 538.96, 809.04 and 333.62 is: 500.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    538.96 : 809.04 = 333.62 : x
  2. Step 2: Convert to fraction form
    538.96/809.04 = 333.62/x
  3. Step 3: Cross multiply
    538.96x = 809.04 × 333.62
  4. Step 4: Simplify right side
    538.96x = 269,911.92
  5. Step 5: Solve for x
    x = 269,911.92/538.96
  6. Step 6: Final answer
    x = 500.80

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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.