Finding the Fourth Proportional to 202.44, 303.87 and 80.94
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Solution
The fourth proportional to 202.44, 303.87 and 80.94 is: 121.49
Step by Step Solution
- Step 1: Write the proportion equation
202.44 : 303.87 = 80.94 : x - Step 2: Convert to fraction form
202.44/303.87 = 80.94/x - Step 3: Cross multiply
202.44x = 303.87 × 80.94 - Step 4: Simplify right side
202.44x = 24,595.24 - Step 5: Solve for x
x = 24,595.24/202.44 - Step 6: Final answer
x = 121.49
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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.