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Finding the Fourth Proportional to 439.35, 604.52 and 360.38

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Solution

The fourth proportional to 439.35, 604.52 and 360.38 is: 495.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    439.35 : 604.52 = 360.38 : x
  2. Step 2: Convert to fraction form
    439.35/604.52 = 360.38/x
  3. Step 3: Cross multiply
    439.35x = 604.52 × 360.38
  4. Step 4: Simplify right side
    439.35x = 217,852.09
  5. Step 5: Solve for x
    x = 217,852.09/439.35
  6. Step 6: Final answer
    x = 495.85

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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.