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Finding the Fourth Proportional to 343.09, 470.37 and 336.94

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Solution

The fourth proportional to 343.09, 470.37 and 336.94 is: 461.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    343.09 : 470.37 = 336.94 : x
  2. Step 2: Convert to fraction form
    343.09/470.37 = 336.94/x
  3. Step 3: Cross multiply
    343.09x = 470.37 × 336.94
  4. Step 4: Simplify right side
    343.09x = 158,489.20
  5. Step 5: Solve for x
    x = 158,489.20/343.09
  6. Step 6: Final answer
    x = 461.95

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.