Finding the Fourth Proportional to 170.26, 234.75 and 143.99
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Solution
The fourth proportional to 170.26, 234.75 and 143.99 is: 198.52
Step by Step Solution
- Step 1: Write the proportion equation
170.26 : 234.75 = 143.99 : x - Step 2: Convert to fraction form
170.26/234.75 = 143.99/x - Step 3: Cross multiply
170.26x = 234.75 × 143.99 - Step 4: Simplify right side
170.26x = 33,800.84 - Step 5: Solve for x
x = 33,800.84/170.26 - Step 6: Final answer
x = 198.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.