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Finding the Fourth Proportional to 434.92, 600.20 and 238.45

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Solution

The fourth proportional to 434.92, 600.20 and 238.45 is: 329.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    434.92 : 600.20 = 238.45 : x
  2. Step 2: Convert to fraction form
    434.92/600.20 = 238.45/x
  3. Step 3: Cross multiply
    434.92x = 600.20 × 238.45
  4. Step 4: Simplify right side
    434.92x = 143,117.69
  5. Step 5: Solve for x
    x = 143,117.69/434.92
  6. Step 6: Final answer
    x = 329.07

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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.