Finding the Fourth Proportional to 163.31, 244.76 and 144.99
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Solution
The fourth proportional to 163.31, 244.76 and 144.99 is: 217.31
Step by Step Solution
- Step 1: Write the proportion equation
163.31 : 244.76 = 144.99 : x - Step 2: Convert to fraction form
163.31/244.76 = 144.99/x - Step 3: Cross multiply
163.31x = 244.76 × 144.99 - Step 4: Simplify right side
163.31x = 35,487.03 - Step 5: Solve for x
x = 35,487.03/163.31 - Step 6: Final answer
x = 217.31
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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.