Finding the Fourth Proportional to 297.11, 445.13 and 181.19
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Solution
The fourth proportional to 297.11, 445.13 and 181.19 is: 271.45
Step by Step Solution
- Step 1: Write the proportion equation
297.11 : 445.13 = 181.19 : x - Step 2: Convert to fraction form
297.11/445.13 = 181.19/x - Step 3: Cross multiply
297.11x = 445.13 × 181.19 - Step 4: Simplify right side
297.11x = 80,649.97 - Step 5: Solve for x
x = 80,649.97/297.11 - Step 6: Final answer
x = 271.45
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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.