Finding the Fourth Proportional to 232.75, 349.08 and 68.22
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Solution
The fourth proportional to 232.75, 349.08 and 68.22 is: 102.32
Step by Step Solution
- Step 1: Write the proportion equation
232.75 : 349.08 = 68.22 : x - Step 2: Convert to fraction form
232.75/349.08 = 68.22/x - Step 3: Cross multiply
232.75x = 349.08 × 68.22 - Step 4: Simplify right side
232.75x = 23,814.24 - Step 5: Solve for x
x = 23,814.24/232.75 - Step 6: Final answer
x = 102.32
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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.