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Finding the Fourth Proportional to 333.80, 460.88 and 223.48

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Solution

The fourth proportional to 333.80, 460.88 and 223.48 is: 308.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.80 : 460.88 = 223.48 : x
  2. Step 2: Convert to fraction form
    333.80/460.88 = 223.48/x
  3. Step 3: Cross multiply
    333.80x = 460.88 × 223.48
  4. Step 4: Simplify right side
    333.80x = 102,997.46
  5. Step 5: Solve for x
    x = 102,997.46/333.80
  6. Step 6: Final answer
    x = 308.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.