Finding the Fourth Proportional to 198.59, 274.26 and 163.97
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Solution
The fourth proportional to 198.59, 274.26 and 163.97 is: 226.45
Step by Step Solution
- Step 1: Write the proportion equation
198.59 : 274.26 = 163.97 : x - Step 2: Convert to fraction form
198.59/274.26 = 163.97/x - Step 3: Cross multiply
198.59x = 274.26 × 163.97 - Step 4: Simplify right side
198.59x = 44,970.41 - Step 5: Solve for x
x = 44,970.41/198.59 - Step 6: Final answer
x = 226.45
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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.