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Finding the Fourth Proportional to 539.22, 807.06 and 333.96

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Solution

The fourth proportional to 539.22, 807.06 and 333.96 is: 499.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    539.22 : 807.06 = 333.96 : x
  2. Step 2: Convert to fraction form
    539.22/807.06 = 333.96/x
  3. Step 3: Cross multiply
    539.22x = 807.06 × 333.96
  4. Step 4: Simplify right side
    539.22x = 269,525.76
  5. Step 5: Solve for x
    x = 269,525.76/539.22
  6. Step 6: Final answer
    x = 499.84

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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.