Finding the Fourth Proportional to 496, 744 and 192
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Solution
The fourth proportional to 496, 744 and 192 is: 288
Step by Step Solution
- Step 1: Write the proportion equation
496 : 744 = 192 : x - Step 2: Convert to fraction form
496/744 = 192/x - Step 3: Cross multiply
496x = 744 × 192 - Step 4: Simplify right side
496x = 142,848 - Step 5: Solve for x
x = 142,848/496 - Step 6: Final answer
x = 288
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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.