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Finding the Fourth Proportional to 604.19, 834.06 and 494.84

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Solution

The fourth proportional to 604.19, 834.06 and 494.84 is: 683.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.19 : 834.06 = 494.84 : x
  2. Step 2: Convert to fraction form
    604.19/834.06 = 494.84/x
  3. Step 3: Cross multiply
    604.19x = 834.06 × 494.84
  4. Step 4: Simplify right side
    604.19x = 412,730.19
  5. Step 5: Solve for x
    x = 412,730.19/604.19
  6. Step 6: Final answer
    x = 683.11

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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.