Finding the Fourth Proportional to 273.21, 376.87 and 254.99
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Solution
The fourth proportional to 273.21, 376.87 and 254.99 is: 351.73
Step by Step Solution
- Step 1: Write the proportion equation
273.21 : 376.87 = 254.99 : x - Step 2: Convert to fraction form
273.21/376.87 = 254.99/x - Step 3: Cross multiply
273.21x = 376.87 × 254.99 - Step 4: Simplify right side
273.21x = 96,096.74 - Step 5: Solve for x
x = 96,096.74/273.21 - Step 6: Final answer
x = 351.73
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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.