Finding the Fourth Proportional to 739.14, 1,107.93 and 276.62
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Solution
The fourth proportional to 739.14, 1,107.93 and 276.62 is: 414.63
Step by Step Solution
- Step 1: Write the proportion equation
739.14 : 1,107.93 = 276.62 : x - Step 2: Convert to fraction form
739.14/1,107.93 = 276.62/x - Step 3: Cross multiply
739.14x = 1,107.93 × 276.62 - Step 4: Simplify right side
739.14x = 306,470.06 - Step 5: Solve for x
x = 306,470.06/739.14 - Step 6: Final answer
x = 414.63
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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.