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Finding the Fourth Proportional to 331.83, 496.93 and 223.29

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Solution

The fourth proportional to 331.83, 496.93 and 223.29 is: 334.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    331.83 : 496.93 = 223.29 : x
  2. Step 2: Convert to fraction form
    331.83/496.93 = 223.29/x
  3. Step 3: Cross multiply
    331.83x = 496.93 × 223.29
  4. Step 4: Simplify right side
    331.83x = 110,959.50
  5. Step 5: Solve for x
    x = 110,959.50/331.83
  6. Step 6: Final answer
    x = 334.39

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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.