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Finding the Fourth Proportional to 481.95, 664.29 and 334.35

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Solution

The fourth proportional to 481.95, 664.29 and 334.35 is: 460.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    481.95 : 664.29 = 334.35 : x
  2. Step 2: Convert to fraction form
    481.95/664.29 = 334.35/x
  3. Step 3: Cross multiply
    481.95x = 664.29 × 334.35
  4. Step 4: Simplify right side
    481.95x = 222,105.36
  5. Step 5: Solve for x
    x = 222,105.36/481.95
  6. Step 6: Final answer
    x = 460.85

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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.