Finding the Fourth Proportional to 193.26, 266.70 and 119.58
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Solution
The fourth proportional to 193.26, 266.70 and 119.58 is: 165.02
Step by Step Solution
- Step 1: Write the proportion equation
193.26 : 266.70 = 119.58 : x - Step 2: Convert to fraction form
193.26/266.70 = 119.58/x - Step 3: Cross multiply
193.26x = 266.70 × 119.58 - Step 4: Simplify right side
193.26x = 31,891.99 - Step 5: Solve for x
x = 31,891.99/193.26 - Step 6: Final answer
x = 165.02
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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.