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Finding the Fourth Proportional to 435.31, 600.72 and 238.82

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Solution

The fourth proportional to 435.31, 600.72 and 238.82 is: 329.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    435.31 : 600.72 = 238.82 : x
  2. Step 2: Convert to fraction form
    435.31/600.72 = 238.82/x
  3. Step 3: Cross multiply
    435.31x = 600.72 × 238.82
  4. Step 4: Simplify right side
    435.31x = 143,461.39
  5. Step 5: Solve for x
    x = 143,461.39/435.31
  6. Step 6: Final answer
    x = 329.56

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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.