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Finding the Fourth Proportional to 434.87, 600.09 and 238.34

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Solution

The fourth proportional to 434.87, 600.09 and 238.34 is: 328.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    434.87 : 600.09 = 238.34 : x
  2. Step 2: Convert to fraction form
    434.87/600.09 = 238.34/x
  3. Step 3: Cross multiply
    434.87x = 600.09 × 238.34
  4. Step 4: Simplify right side
    434.87x = 143,022.45
  5. Step 5: Solve for x
    x = 143,022.45/434.87
  6. Step 6: Final answer
    x = 328.89

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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.