Finding the Fourth Proportional to 540.26, 810.62 and 293.18
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Solution
The fourth proportional to 540.26, 810.62 and 293.18 is: 439.89
Step by Step Solution
- Step 1: Write the proportion equation
540.26 : 810.62 = 293.18 : x - Step 2: Convert to fraction form
540.26/810.62 = 293.18/x - Step 3: Cross multiply
540.26x = 810.62 × 293.18 - Step 4: Simplify right side
540.26x = 237,652.05 - Step 5: Solve for x
x = 237,652.05/540.26 - Step 6: Final answer
x = 439.89
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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.