Finding the Fourth Proportional to 163.26, 225.24 and 108.02
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Solution
The fourth proportional to 163.26, 225.24 and 108.02 is: 149.03
Step by Step Solution
- Step 1: Write the proportion equation
163.26 : 225.24 = 108.02 : x - Step 2: Convert to fraction form
163.26/225.24 = 108.02/x - Step 3: Cross multiply
163.26x = 225.24 × 108.02 - Step 4: Simplify right side
163.26x = 24,330.42 - Step 5: Solve for x
x = 24,330.42/163.26 - Step 6: Final answer
x = 149.03
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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.