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Finding the Fourth Proportional to 605.17, 835.08 and 335.99

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Solution

The fourth proportional to 605.17, 835.08 and 335.99 is: 463.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    605.17 : 835.08 = 335.99 : x
  2. Step 2: Convert to fraction form
    605.17/835.08 = 335.99/x
  3. Step 3: Cross multiply
    605.17x = 835.08 × 335.99
  4. Step 4: Simplify right side
    605.17x = 280,578.94
  5. Step 5: Solve for x
    x = 280,578.94/605.17
  6. Step 6: Final answer
    x = 463.64

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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.