Finding the Fourth Proportional to 163.26, 244.76 and 69.42
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Solution
The fourth proportional to 163.26, 244.76 and 69.42 is: 104.07
Step by Step Solution
- Step 1: Write the proportion equation
163.26 : 244.76 = 69.42 : x - Step 2: Convert to fraction form
163.26/244.76 = 69.42/x - Step 3: Cross multiply
163.26x = 244.76 × 69.42 - Step 4: Simplify right side
163.26x = 16,991.24 - Step 5: Solve for x
x = 16,991.24/163.26 - Step 6: Final answer
x = 104.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.