Finding the Fourth Proportional to 253.62, 350.09 and 201.26
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Solution
The fourth proportional to 253.62, 350.09 and 201.26 is: 277.81
Step by Step Solution
- Step 1: Write the proportion equation
253.62 : 350.09 = 201.26 : x - Step 2: Convert to fraction form
253.62/350.09 = 201.26/x - Step 3: Cross multiply
253.62x = 350.09 × 201.26 - Step 4: Simplify right side
253.62x = 70,458.98 - Step 5: Solve for x
x = 70,458.98/253.62 - Step 6: Final answer
x = 277.81
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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.