Finding the Fourth Proportional to 163.84, 226.06 and 108.68
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Solution
The fourth proportional to 163.84, 226.06 and 108.68 is: 149.95
Step by Step Solution
- Step 1: Write the proportion equation
163.84 : 226.06 = 108.68 : x - Step 2: Convert to fraction form
163.84/226.06 = 108.68/x - Step 3: Cross multiply
163.84x = 226.06 × 108.68 - Step 4: Simplify right side
163.84x = 24,568.20 - Step 5: Solve for x
x = 24,568.20/163.84 - Step 6: Final answer
x = 149.95
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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.