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Finding the Fourth Proportional to 360.84, 540.16 and 338.34

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Solution

The fourth proportional to 360.84, 540.16 and 338.34 is: 506.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.84 : 540.16 = 338.34 : x
  2. Step 2: Convert to fraction form
    360.84/540.16 = 338.34/x
  3. Step 3: Cross multiply
    360.84x = 540.16 × 338.34
  4. Step 4: Simplify right side
    360.84x = 182,757.73
  5. Step 5: Solve for x
    x = 182,757.73/360.84
  6. Step 6: Final answer
    x = 506.48

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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.