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Finding the Fourth Proportional to 435.07, 600.39 and 238.57

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Solution

The fourth proportional to 435.07, 600.39 and 238.57 is: 329.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    435.07 : 600.39 = 238.57 : x
  2. Step 2: Convert to fraction form
    435.07/600.39 = 238.57/x
  3. Step 3: Cross multiply
    435.07x = 600.39 × 238.57
  4. Step 4: Simplify right side
    435.07x = 143,234.56
  5. Step 5: Solve for x
    x = 143,234.56/435.07
  6. Step 6: Final answer
    x = 329.22

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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.