Finding the Fourth Proportional to 843.36, 1,266 and 502.08
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Solution
The fourth proportional to 843.36, 1,266 and 502.08 is: 753.69
Step by Step Solution
- Step 1: Write the proportion equation
843.36 : 1,266 = 502.08 : x - Step 2: Convert to fraction form
843.36/1,266 = 502.08/x - Step 3: Cross multiply
843.36x = 1,266 × 502.08 - Step 4: Simplify right side
843.36x = 635,633.28 - Step 5: Solve for x
x = 635,633.28/843.36 - Step 6: Final answer
x = 753.69
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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.