Finding the Fourth Proportional to 234.42, 325.79 and 231.99
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Solution
The fourth proportional to 234.42, 325.79 and 231.99 is: 322.41
Step by Step Solution
- Step 1: Write the proportion equation
234.42 : 325.79 = 231.99 : x - Step 2: Convert to fraction form
234.42/325.79 = 231.99/x - Step 3: Cross multiply
234.42x = 325.79 × 231.99 - Step 4: Simplify right side
234.42x = 75,578.86 - Step 5: Solve for x
x = 75,578.86/234.42 - Step 6: Final answer
x = 322.41
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.