Finding the Fourth Proportional to 207.73, 311.68 and 110.23
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Solution
The fourth proportional to 207.73, 311.68 and 110.23 is: 165.39
Step by Step Solution
- Step 1: Write the proportion equation
207.73 : 311.68 = 110.23 : x - Step 2: Convert to fraction form
207.73/311.68 = 110.23/x - Step 3: Cross multiply
207.73x = 311.68 × 110.23 - Step 4: Simplify right side
207.73x = 34,356.49 - Step 5: Solve for x
x = 34,356.49/207.73 - Step 6: Final answer
x = 165.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.