Finding the Fourth Proportional to 704, 1,056 and 191
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Solution
The fourth proportional to 704, 1,056 and 191 is: 286.50
Step by Step Solution
- Step 1: Write the proportion equation
704 : 1,056 = 191 : x - Step 2: Convert to fraction form
704/1,056 = 191/x - Step 3: Cross multiply
704x = 1,056 × 191 - Step 4: Simplify right side
704x = 201,696 - Step 5: Solve for x
x = 201,696/704 - Step 6: Final answer
x = 286.50
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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.