Finding the Fourth Proportional to 893.26, 1,232.75 and 515.21
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Solution
The fourth proportional to 893.26, 1,232.75 and 515.21 is: 711.02
Step by Step Solution
- Step 1: Write the proportion equation
893.26 : 1,232.75 = 515.21 : x - Step 2: Convert to fraction form
893.26/1,232.75 = 515.21/x - Step 3: Cross multiply
893.26x = 1,232.75 × 515.21 - Step 4: Simplify right side
893.26x = 635,125.13 - Step 5: Solve for x
x = 635,125.13/893.26 - Step 6: Final answer
x = 711.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.