Finding the Fourth Proportional to 192.60, 265.82 and 126.99
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Solution
The fourth proportional to 192.60, 265.82 and 126.99 is: 175.27
Step by Step Solution
- Step 1: Write the proportion equation
192.60 : 265.82 = 126.99 : x - Step 2: Convert to fraction form
192.60/265.82 = 126.99/x - Step 3: Cross multiply
192.60x = 265.82 × 126.99 - Step 4: Simplify right side
192.60x = 33,756.48 - Step 5: Solve for x
x = 33,756.48/192.60 - Step 6: Final answer
x = 175.27
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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.