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Finding the Fourth Proportional to 604.31, 833.81 and 394.52

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Solution

The fourth proportional to 604.31, 833.81 and 394.52 is: 544.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.31 : 833.81 = 394.52 : x
  2. Step 2: Convert to fraction form
    604.31/833.81 = 394.52/x
  3. Step 3: Cross multiply
    604.31x = 833.81 × 394.52
  4. Step 4: Simplify right side
    604.31x = 328,948.58
  5. Step 5: Solve for x
    x = 328,948.58/604.31
  6. Step 6: Final answer
    x = 544.34

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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.