Finding the Fourth Proportional to 195.18, 294.11 and 161.69
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Solution
The fourth proportional to 195.18, 294.11 and 161.69 is: 243.64
Step by Step Solution
- Step 1: Write the proportion equation
195.18 : 294.11 = 161.69 : x - Step 2: Convert to fraction form
195.18/294.11 = 161.69/x - Step 3: Cross multiply
195.18x = 294.11 × 161.69 - Step 4: Simplify right side
195.18x = 47,553.84 - Step 5: Solve for x
x = 47,553.84/195.18 - Step 6: Final answer
x = 243.64
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.