Finding the Fourth Proportional to 163.29, 244.92 and 71.99
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Solution
The fourth proportional to 163.29, 244.92 and 71.99 is: 107.97
Step by Step Solution
- Step 1: Write the proportion equation
163.29 : 244.92 = 71.99 : x - Step 2: Convert to fraction form
163.29/244.92 = 71.99/x - Step 3: Cross multiply
163.29x = 244.92 × 71.99 - Step 4: Simplify right side
163.29x = 17,630.21 - Step 5: Solve for x
x = 17,630.21/163.29 - Step 6: Final answer
x = 107.97
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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.