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Finding the Fourth Proportional to 605.00, 834.91 and 343.04

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Solution

The fourth proportional to 605.00, 834.91 and 343.04 is: 473.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    605.00 : 834.91 = 343.04 : x
  2. Step 2: Convert to fraction form
    605.00/834.91 = 343.04/x
  3. Step 3: Cross multiply
    605.00x = 834.91 × 343.04
  4. Step 4: Simplify right side
    605.00x = 286,402.49
  5. Step 5: Solve for x
    x = 286,402.49/605.00
  6. Step 6: Final answer
    x = 473.39

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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.