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Finding the Fourth Proportional to 604.31, 908.31 and 524.12

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Solution

The fourth proportional to 604.31, 908.31 and 524.12 is: 787.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.31 : 908.31 = 524.12 : x
  2. Step 2: Convert to fraction form
    604.31/908.31 = 524.12/x
  3. Step 3: Cross multiply
    604.31x = 908.31 × 524.12
  4. Step 4: Simplify right side
    604.31x = 476,063.44
  5. Step 5: Solve for x
    x = 476,063.44/604.31
  6. Step 6: Final answer
    x = 787.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.