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Finding the Fourth Proportional to 489.27, 737.03 and 441.18

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Solution

The fourth proportional to 489.27, 737.03 and 441.18 is: 664.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    489.27 : 737.03 = 441.18 : x
  2. Step 2: Convert to fraction form
    489.27/737.03 = 441.18/x
  3. Step 3: Cross multiply
    489.27x = 737.03 × 441.18
  4. Step 4: Simplify right side
    489.27x = 325,164.00
  5. Step 5: Solve for x
    x = 325,164.00/489.27
  6. Step 6: Final answer
    x = 664.59

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.