Finding the Fourth Proportional to 163.23, 244.49 and 102.23
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Solution
The fourth proportional to 163.23, 244.49 and 102.23 is: 153.11
Step by Step Solution
- Step 1: Write the proportion equation
163.23 : 244.49 = 102.23 : x - Step 2: Convert to fraction form
163.23/244.49 = 102.23/x - Step 3: Cross multiply
163.23x = 244.49 × 102.23 - Step 4: Simplify right side
163.23x = 24,992.48 - Step 5: Solve for x
x = 24,992.48/163.23 - Step 6: Final answer
x = 153.11
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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.