Finding the Fourth Proportional to 163.42, 226.60 and 157.95
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Solution
The fourth proportional to 163.42, 226.60 and 157.95 is: 219.02
Step by Step Solution
- Step 1: Write the proportion equation
163.42 : 226.60 = 157.95 : x - Step 2: Convert to fraction form
163.42/226.60 = 157.95/x - Step 3: Cross multiply
163.42x = 226.60 × 157.95 - Step 4: Simplify right side
163.42x = 35,791.08 - Step 5: Solve for x
x = 35,791.08/163.42 - Step 6: Final answer
x = 219.02
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.