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Finding the Fourth Proportional to 333.81, 460.89 and 223.38

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Solution

The fourth proportional to 333.81, 460.89 and 223.38 is: 308.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.81 : 460.89 = 223.38 : x
  2. Step 2: Convert to fraction form
    333.81/460.89 = 223.38/x
  3. Step 3: Cross multiply
    333.81x = 460.89 × 223.38
  4. Step 4: Simplify right side
    333.81x = 102,953.61
  5. Step 5: Solve for x
    x = 102,953.61/333.81
  6. Step 6: Final answer
    x = 308.42

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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.