Finding the Fourth Proportional to 231.26, 319.11 and 132.99
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Solution
The fourth proportional to 231.26, 319.11 and 132.99 is: 183.51
Step by Step Solution
- Step 1: Write the proportion equation
231.26 : 319.11 = 132.99 : x - Step 2: Convert to fraction form
231.26/319.11 = 132.99/x - Step 3: Cross multiply
231.26x = 319.11 × 132.99 - Step 4: Simplify right side
231.26x = 42,438.54 - Step 5: Solve for x
x = 42,438.54/231.26 - Step 6: Final answer
x = 183.51
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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.