Finding the Fourth Proportional to 401.25, 600.95 and 254.99
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Solution
The fourth proportional to 401.25, 600.95 and 254.99 is: 381.90
Step by Step Solution
- Step 1: Write the proportion equation
401.25 : 600.95 = 254.99 : x - Step 2: Convert to fraction form
401.25/600.95 = 254.99/x - Step 3: Cross multiply
401.25x = 600.95 × 254.99 - Step 4: Simplify right side
401.25x = 153,236.24 - Step 5: Solve for x
x = 153,236.24/401.25 - Step 6: Final answer
x = 381.90
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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.