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Finding the Fourth Proportional to 604.87, 834.37 and 356.14

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Solution

The fourth proportional to 604.87, 834.37 and 356.14 is: 491.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.87 : 834.37 = 356.14 : x
  2. Step 2: Convert to fraction form
    604.87/834.37 = 356.14/x
  3. Step 3: Cross multiply
    604.87x = 834.37 × 356.14
  4. Step 4: Simplify right side
    604.87x = 297,152.53
  5. Step 5: Solve for x
    x = 297,152.53/604.87
  6. Step 6: Final answer
    x = 491.27

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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.