Finding the Fourth Proportional to 263.26, 394.21 and 181.99
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Solution
The fourth proportional to 263.26, 394.21 and 181.99 is: 272.51
Step by Step Solution
- Step 1: Write the proportion equation
263.26 : 394.21 = 181.99 : x - Step 2: Convert to fraction form
263.26/394.21 = 181.99/x - Step 3: Cross multiply
263.26x = 394.21 × 181.99 - Step 4: Simplify right side
263.26x = 71,742.28 - Step 5: Solve for x
x = 71,742.28/263.26 - Step 6: Final answer
x = 272.51
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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.