Finding the Fourth Proportional to 232, 348 and 80
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Solution
The fourth proportional to 232, 348 and 80 is: 120
Step by Step Solution
- Step 1: Write the proportion equation
232 : 348 = 80 : x - Step 2: Convert to fraction form
232/348 = 80/x - Step 3: Cross multiply
232x = 348 × 80 - Step 4: Simplify right side
232x = 27,840 - Step 5: Solve for x
x = 27,840/232 - Step 6: Final answer
x = 120
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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.