Finding the Fourth Proportional to 394.14, 547.19 and 382.26
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Solution
The fourth proportional to 394.14, 547.19 and 382.26 is: 530.69
Step by Step Solution
- Step 1: Write the proportion equation
394.14 : 547.19 = 382.26 : x - Step 2: Convert to fraction form
394.14/547.19 = 382.26/x - Step 3: Cross multiply
394.14x = 547.19 × 382.26 - Step 4: Simplify right side
394.14x = 209,166.94 - Step 5: Solve for x
x = 209,166.94/394.14 - Step 6: Final answer
x = 530.69
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.