Finding the Fourth Proportional to 193.20, 290.02 and 163.10
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Solution
The fourth proportional to 193.20, 290.02 and 163.10 is: 244.84
Step by Step Solution
- Step 1: Write the proportion equation
193.20 : 290.02 = 163.10 : x - Step 2: Convert to fraction form
193.20/290.02 = 163.10/x - Step 3: Cross multiply
193.20x = 290.02 × 163.10 - Step 4: Simplify right side
193.20x = 47,302.26 - Step 5: Solve for x
x = 47,302.26/193.20 - Step 6: Final answer
x = 244.84
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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.