Finding the Fourth Proportional to 231.26, 346.88 and 60.26
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Solution
The fourth proportional to 231.26, 346.88 and 60.26 is: 90.39
Step by Step Solution
- Step 1: Write the proportion equation
231.26 : 346.88 = 60.26 : x - Step 2: Convert to fraction form
231.26/346.88 = 60.26/x - Step 3: Cross multiply
231.26x = 346.88 × 60.26 - Step 4: Simplify right side
231.26x = 20,902.99 - Step 5: Solve for x
x = 20,902.99/231.26 - Step 6: Final answer
x = 90.39
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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.