Finding the Fourth Proportional to 163.19, 244.12 and 136.99
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Solution
The fourth proportional to 163.19, 244.12 and 136.99 is: 204.92
Step by Step Solution
- Step 1: Write the proportion equation
163.19 : 244.12 = 136.99 : x - Step 2: Convert to fraction form
163.19/244.12 = 136.99/x - Step 3: Cross multiply
163.19x = 244.12 × 136.99 - Step 4: Simplify right side
163.19x = 33,440.51 - Step 5: Solve for x
x = 33,440.51/163.19 - Step 6: Final answer
x = 204.92
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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.