Finding the Fourth Proportional to 193.26, 266.60 and 126.88
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Solution
The fourth proportional to 193.26, 266.60 and 126.88 is: 175.03
Step by Step Solution
- Step 1: Write the proportion equation
193.26 : 266.60 = 126.88 : x - Step 2: Convert to fraction form
193.26/266.60 = 126.88/x - Step 3: Cross multiply
193.26x = 266.60 × 126.88 - Step 4: Simplify right side
193.26x = 33,826.21 - Step 5: Solve for x
x = 33,826.21/193.26 - Step 6: Final answer
x = 175.03
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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.