Finding the Fourth Proportional to 299.96, 450.21 and 163.11
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Solution
The fourth proportional to 299.96, 450.21 and 163.11 is: 244.82
Step by Step Solution
- Step 1: Write the proportion equation
299.96 : 450.21 = 163.11 : x - Step 2: Convert to fraction form
299.96/450.21 = 163.11/x - Step 3: Cross multiply
299.96x = 450.21 × 163.11 - Step 4: Simplify right side
299.96x = 73,433.75 - Step 5: Solve for x
x = 73,433.75/299.96 - Step 6: Final answer
x = 244.82
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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.