Finding the Fourth Proportional to 739.13, 1,108.67 and 300.26
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Solution
The fourth proportional to 739.13, 1,108.67 and 300.26 is: 450.37
Step by Step Solution
- Step 1: Write the proportion equation
739.13 : 1,108.67 = 300.26 : x - Step 2: Convert to fraction form
739.13/1,108.67 = 300.26/x - Step 3: Cross multiply
739.13x = 1,108.67 × 300.26 - Step 4: Simplify right side
739.13x = 332,882.21 - Step 5: Solve for x
x = 332,882.21/739.13 - Step 6: Final answer
x = 450.37
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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.