Finding the Fourth Proportional to 163.13, 244.62 and 121.73
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Solution
The fourth proportional to 163.13, 244.62 and 121.73 is: 182.54
Step by Step Solution
- Step 1: Write the proportion equation
163.13 : 244.62 = 121.73 : x - Step 2: Convert to fraction form
163.13/244.62 = 121.73/x - Step 3: Cross multiply
163.13x = 244.62 × 121.73 - Step 4: Simplify right side
163.13x = 29,776.37 - Step 5: Solve for x
x = 29,776.37/163.13 - Step 6: Final answer
x = 182.54
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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.