Finding the Fourth Proportional to 493.26, 739.26 and 276.99
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Solution
The fourth proportional to 493.26, 739.26 and 276.99 is: 415.13
Step by Step Solution
- Step 1: Write the proportion equation
493.26 : 739.26 = 276.99 : x - Step 2: Convert to fraction form
493.26/739.26 = 276.99/x - Step 3: Cross multiply
493.26x = 739.26 × 276.99 - Step 4: Simplify right side
493.26x = 204,767.63 - Step 5: Solve for x
x = 204,767.63/493.26 - Step 6: Final answer
x = 415.13
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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.