Finding the Fourth Proportional to 202.44, 303.36 and 163.98
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Solution
The fourth proportional to 202.44, 303.36 and 163.98 is: 245.73
Step by Step Solution
- Step 1: Write the proportion equation
202.44 : 303.36 = 163.98 : x - Step 2: Convert to fraction form
202.44/303.36 = 163.98/x - Step 3: Cross multiply
202.44x = 303.36 × 163.98 - Step 4: Simplify right side
202.44x = 49,744.97 - Step 5: Solve for x
x = 49,744.97/202.44 - Step 6: Final answer
x = 245.73
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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.