Finding the Fourth Proportional to 163.12, 244.36 and 108.88
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Solution
The fourth proportional to 163.12, 244.36 and 108.88 is: 163.11
Step by Step Solution
- Step 1: Write the proportion equation
163.12 : 244.36 = 108.88 : x - Step 2: Convert to fraction form
163.12/244.36 = 108.88/x - Step 3: Cross multiply
163.12x = 244.36 × 108.88 - Step 4: Simplify right side
163.12x = 26,605.92 - Step 5: Solve for x
x = 26,605.92/163.12 - Step 6: Final answer
x = 163.11
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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.