Finding the Fourth Proportional to 193.87, 267.62 and 161.06
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Solution
The fourth proportional to 193.87, 267.62 and 161.06 is: 222.34
Step by Step Solution
- Step 1: Write the proportion equation
193.87 : 267.62 = 161.06 : x - Step 2: Convert to fraction form
193.87/267.62 = 161.06/x - Step 3: Cross multiply
193.87x = 267.62 × 161.06 - Step 4: Simplify right side
193.87x = 43,104.24 - Step 5: Solve for x
x = 43,104.24/193.87 - Step 6: Final answer
x = 222.34
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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.