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Finding the Fourth Proportional to 435.44, 600.91 and 238.95

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Solution

The fourth proportional to 435.44, 600.91 and 238.95 is: 329.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    435.44 : 600.91 = 238.95 : x
  2. Step 2: Convert to fraction form
    435.44/600.91 = 238.95/x
  3. Step 3: Cross multiply
    435.44x = 600.91 × 238.95
  4. Step 4: Simplify right side
    435.44x = 143,587.44
  5. Step 5: Solve for x
    x = 143,587.44/435.44
  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.