Finding the Fourth Proportional to 163.62, 244.08 and 149.99
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Solution
The fourth proportional to 163.62, 244.08 and 149.99 is: 223.74
Step by Step Solution
- Step 1: Write the proportion equation
163.62 : 244.08 = 149.99 : x - Step 2: Convert to fraction form
163.62/244.08 = 149.99/x - Step 3: Cross multiply
163.62x = 244.08 × 149.99 - Step 4: Simplify right side
163.62x = 36,608.34 - Step 5: Solve for x
x = 36,608.34/163.62 - Step 6: Final answer
x = 223.74
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.