Finding the Fourth Proportional to 163.79, 226.16 and 132.60
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Solution
The fourth proportional to 163.79, 226.16 and 132.60 is: 183.09
Step by Step Solution
- Step 1: Write the proportion equation
163.79 : 226.16 = 132.60 : x - Step 2: Convert to fraction form
163.79/226.16 = 132.60/x - Step 3: Cross multiply
163.79x = 226.16 × 132.60 - Step 4: Simplify right side
163.79x = 29,988.82 - Step 5: Solve for x
x = 29,988.82/163.79 - Step 6: Final answer
x = 183.09
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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.