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Finding the Fourth Proportional to 434.97, 600.28 and 238.49

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Solution

The fourth proportional to 434.97, 600.28 and 238.49 is: 329.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    434.97 : 600.28 = 238.49 : x
  2. Step 2: Convert to fraction form
    434.97/600.28 = 238.49/x
  3. Step 3: Cross multiply
    434.97x = 600.28 × 238.49
  4. Step 4: Simplify right side
    434.97x = 143,162.28
  5. Step 5: Solve for x
    x = 143,162.28/434.97
  6. Step 6: Final answer
    x = 329.13

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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.