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Finding the Fourth Proportional to 435.46, 600.91 and 238.96

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Solution

The fourth proportional to 435.46, 600.91 and 238.96 is: 329.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    435.46 : 600.91 = 238.96 : x
  2. Step 2: Convert to fraction form
    435.46/600.91 = 238.96/x
  3. Step 3: Cross multiply
    435.46x = 600.91 × 238.96
  4. Step 4: Simplify right side
    435.46x = 143,593.45
  5. Step 5: Solve for x
    x = 143,593.45/435.46
  6. Step 6: Final answer
    x = 329.75

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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.