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Finding the Fourth Proportional to 441.36, 604.80 and 438.48

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Solution

The fourth proportional to 441.36, 604.80 and 438.48 is: 600.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.36 : 604.80 = 438.48 : x
  2. Step 2: Convert to fraction form
    441.36/604.80 = 438.48/x
  3. Step 3: Cross multiply
    441.36x = 604.80 × 438.48
  4. Step 4: Simplify right side
    441.36x = 265,192.70
  5. Step 5: Solve for x
    x = 265,192.70/441.36
  6. Step 6: Final answer
    x = 600.85

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.