Finding the Fourth Proportional to 193.70, 267.13 and 119.99
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Solution
The fourth proportional to 193.70, 267.13 and 119.99 is: 165.48
Step by Step Solution
- Step 1: Write the proportion equation
193.70 : 267.13 = 119.99 : x - Step 2: Convert to fraction form
193.70/267.13 = 119.99/x - Step 3: Cross multiply
193.70x = 267.13 × 119.99 - Step 4: Simplify right side
193.70x = 32,053.75 - Step 5: Solve for x
x = 32,053.75/193.70 - Step 6: Final answer
x = 165.48
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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.