Finding the Fourth Proportional to 163.13, 244.79 and 94.68
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Solution
The fourth proportional to 163.13, 244.79 and 94.68 is: 142.08
Step by Step Solution
- Step 1: Write the proportion equation
163.13 : 244.79 = 94.68 : x - Step 2: Convert to fraction form
163.13/244.79 = 94.68/x - Step 3: Cross multiply
163.13x = 244.79 × 94.68 - Step 4: Simplify right side
163.13x = 23,176.60 - Step 5: Solve for x
x = 23,176.60/163.13 - Step 6: Final answer
x = 142.08
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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.