Finding the Fourth Proportional to 222.72, 334.25 and 100.99
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Solution
The fourth proportional to 222.72, 334.25 and 100.99 is: 151.56
Step by Step Solution
- Step 1: Write the proportion equation
222.72 : 334.25 = 100.99 : x - Step 2: Convert to fraction form
222.72/334.25 = 100.99/x - Step 3: Cross multiply
222.72x = 334.25 × 100.99 - Step 4: Simplify right side
222.72x = 33,754.24 - Step 5: Solve for x
x = 33,754.24/222.72 - Step 6: Final answer
x = 151.56
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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.