Finding the Fourth Proportional to 297.62, 445.91 and 181.79
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Solution
The fourth proportional to 297.62, 445.91 and 181.79 is: 272.37
Step by Step Solution
- Step 1: Write the proportion equation
297.62 : 445.91 = 181.79 : x - Step 2: Convert to fraction form
297.62/445.91 = 181.79/x - Step 3: Cross multiply
297.62x = 445.91 × 181.79 - Step 4: Simplify right side
297.62x = 81,062.18 - Step 5: Solve for x
x = 81,062.18/297.62 - Step 6: Final answer
x = 272.37
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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.