Finding the Fourth Proportional to 193.68, 289.98 and 163.26
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Solution
The fourth proportional to 193.68, 289.98 and 163.26 is: 244.43
Step by Step Solution
- Step 1: Write the proportion equation
193.68 : 289.98 = 163.26 : x - Step 2: Convert to fraction form
193.68/289.98 = 163.26/x - Step 3: Cross multiply
193.68x = 289.98 × 163.26 - Step 4: Simplify right side
193.68x = 47,342.13 - Step 5: Solve for x
x = 47,342.13/193.68 - Step 6: Final answer
x = 244.43
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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.