Finding the Fourth Proportional to 163.88, 226.16 and 98.43
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Solution
The fourth proportional to 163.88, 226.16 and 98.43 is: 135.84
Step by Step Solution
- Step 1: Write the proportion equation
163.88 : 226.16 = 98.43 : x - Step 2: Convert to fraction form
163.88/226.16 = 98.43/x - Step 3: Cross multiply
163.88x = 226.16 × 98.43 - Step 4: Simplify right side
163.88x = 22,260.44 - Step 5: Solve for x
x = 22,260.44/163.88 - Step 6: Final answer
x = 135.84
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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.