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Finding the Fourth Proportional to 481.93, 664.75 and 332.49

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Solution

The fourth proportional to 481.93, 664.75 and 332.49 is: 458.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    481.93 : 664.75 = 332.49 : x
  2. Step 2: Convert to fraction form
    481.93/664.75 = 332.49/x
  3. Step 3: Cross multiply
    481.93x = 664.75 × 332.49
  4. Step 4: Simplify right side
    481.93x = 221,022.73
  5. Step 5: Solve for x
    x = 221,022.73/481.93
  6. Step 6: Final answer
    x = 458.62

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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.