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Finding the Fourth Proportional to 605.02, 834.82 and 342.99

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Solution

The fourth proportional to 605.02, 834.82 and 342.99 is: 473.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    605.02 : 834.82 = 342.99 : x
  2. Step 2: Convert to fraction form
    605.02/834.82 = 342.99/x
  3. Step 3: Cross multiply
    605.02x = 834.82 × 342.99
  4. Step 4: Simplify right side
    605.02x = 286,329.02
  5. Step 5: Solve for x
    x = 286,329.02/605.02
  6. Step 6: Final answer
    x = 473.26

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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.