Finding the Fourth Proportional to 236.76, 326.23 and 157.99
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Solution
The fourth proportional to 236.76, 326.23 and 157.99 is: 217.69
Step by Step Solution
- Step 1: Write the proportion equation
236.76 : 326.23 = 157.99 : x - Step 2: Convert to fraction form
236.76/326.23 = 157.99/x - Step 3: Cross multiply
236.76x = 326.23 × 157.99 - Step 4: Simplify right side
236.76x = 51,541.08 - Step 5: Solve for x
x = 51,541.08/236.76 - Step 6: Final answer
x = 217.69
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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.