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Finding the Fourth Proportional to 435.92, 601.43 and 394.34

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Solution

The fourth proportional to 435.92, 601.43 and 394.34 is: 544.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    435.92 : 601.43 = 394.34 : x
  2. Step 2: Convert to fraction form
    435.92/601.43 = 394.34/x
  3. Step 3: Cross multiply
    435.92x = 601.43 × 394.34
  4. Step 4: Simplify right side
    435.92x = 237,167.91
  5. Step 5: Solve for x
    x = 237,167.91/435.92
  6. Step 6: Final answer
    x = 544.06

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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.