Finding the Fourth Proportional to 192.23, 265.07 and 126.62
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Solution
The fourth proportional to 192.23, 265.07 and 126.62 is: 174.60
Step by Step Solution
- Step 1: Write the proportion equation
192.23 : 265.07 = 126.62 : x - Step 2: Convert to fraction form
192.23/265.07 = 126.62/x - Step 3: Cross multiply
192.23x = 265.07 × 126.62 - Step 4: Simplify right side
192.23x = 33,562.18 - Step 5: Solve for x
x = 33,562.18/192.23 - Step 6: Final answer
x = 174.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.