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Finding the Fourth Proportional to 603.73, 834.13 and 480.41

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Solution

The fourth proportional to 603.73, 834.13 and 480.41 is: 663.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    603.73 : 834.13 = 480.41 : x
  2. Step 2: Convert to fraction form
    603.73/834.13 = 480.41/x
  3. Step 3: Cross multiply
    603.73x = 834.13 × 480.41
  4. Step 4: Simplify right side
    603.73x = 400,724.39
  5. Step 5: Solve for x
    x = 400,724.39/603.73
  6. Step 6: Final answer
    x = 663.75

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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.