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Finding the Fourth Proportional to 604.92, 834.84 and 372.18

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Solution

The fourth proportional to 604.92, 834.84 and 372.18 is: 513.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.92 : 834.84 = 372.18 : x
  2. Step 2: Convert to fraction form
    604.92/834.84 = 372.18/x
  3. Step 3: Cross multiply
    604.92x = 834.84 × 372.18
  4. Step 4: Simplify right side
    604.92x = 310,710.75
  5. Step 5: Solve for x
    x = 310,710.75/604.92
  6. Step 6: Final answer
    x = 513.64

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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.