Finding the Fourth Proportional to 394.44, 591.26 and 177.96
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Solution
The fourth proportional to 394.44, 591.26 and 177.96 is: 266.76
Step by Step Solution
- Step 1: Write the proportion equation
394.44 : 591.26 = 177.96 : x - Step 2: Convert to fraction form
394.44/591.26 = 177.96/x - Step 3: Cross multiply
394.44x = 591.26 × 177.96 - Step 4: Simplify right side
394.44x = 105,220.63 - Step 5: Solve for x
x = 105,220.63/394.44 - Step 6: Final answer
x = 266.76
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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.