Finding the Fourth Proportional to 163.84, 245.92 and 163.08
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Solution
The fourth proportional to 163.84, 245.92 and 163.08 is: 244.78
Step by Step Solution
- Step 1: Write the proportion equation
163.84 : 245.92 = 163.08 : x - Step 2: Convert to fraction form
163.84/245.92 = 163.08/x - Step 3: Cross multiply
163.84x = 245.92 × 163.08 - Step 4: Simplify right side
163.84x = 40,104.63 - Step 5: Solve for x
x = 40,104.63/163.84 - Step 6: Final answer
x = 244.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.