Finding the Fourth Proportional to 163.76, 226.05 and 149.18
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Solution
The fourth proportional to 163.76, 226.05 and 149.18 is: 205.92
Step by Step Solution
- Step 1: Write the proportion equation
163.76 : 226.05 = 149.18 : x - Step 2: Convert to fraction form
163.76/226.05 = 149.18/x - Step 3: Cross multiply
163.76x = 226.05 × 149.18 - Step 4: Simplify right side
163.76x = 33,722.14 - Step 5: Solve for x
x = 33,722.14/163.76 - Step 6: Final answer
x = 205.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.