Finding the Fourth Proportional to 195.12, 292.68 and 163.26
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Solution
The fourth proportional to 195.12, 292.68 and 163.26 is: 244.89
Step by Step Solution
- Step 1: Write the proportion equation
195.12 : 292.68 = 163.26 : x - Step 2: Convert to fraction form
195.12/292.68 = 163.26/x - Step 3: Cross multiply
195.12x = 292.68 × 163.26 - Step 4: Simplify right side
195.12x = 47,782.94 - Step 5: Solve for x
x = 47,782.94/195.12 - Step 6: Final answer
x = 244.89
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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.