Finding the Fourth Proportional to 274, 411 and 122
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Solution
The fourth proportional to 274, 411 and 122 is: 183
Step by Step Solution
- Step 1: Write the proportion equation
274 : 411 = 122 : x - Step 2: Convert to fraction form
274/411 = 122/x - Step 3: Cross multiply
274x = 411 × 122 - Step 4: Simplify right side
274x = 50,142 - Step 5: Solve for x
x = 50,142/274 - Step 6: Final answer
x = 183
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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.