Finding the Fourth Proportional to 163.97, 246.26 and 157.44
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Solution
The fourth proportional to 163.97, 246.26 and 157.44 is: 236.45
Step by Step Solution
- Step 1: Write the proportion equation
163.97 : 246.26 = 157.44 : x - Step 2: Convert to fraction form
163.97/246.26 = 157.44/x - Step 3: Cross multiply
163.97x = 246.26 × 157.44 - Step 4: Simplify right side
163.97x = 38,771.17 - Step 5: Solve for x
x = 38,771.17/163.97 - Step 6: Final answer
x = 236.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.