Finding the Fourth Proportional to 194, 291 and 188.56
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Solution
The fourth proportional to 194, 291 and 188.56 is: 282.84
Step by Step Solution
- Step 1: Write the proportion equation
194 : 291 = 188.56 : x - Step 2: Convert to fraction form
194/291 = 188.56/x - Step 3: Cross multiply
194x = 291 × 188.56 - Step 4: Simplify right side
194x = 54,870.96 - Step 5: Solve for x
x = 54,870.96/194 - Step 6: Final answer
x = 282.84
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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.