Finding the Fourth Proportional to 273.30, 409.97 and 110.99
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Solution
The fourth proportional to 273.30, 409.97 and 110.99 is: 166.48
Step by Step Solution
- Step 1: Write the proportion equation
273.30 : 409.97 = 110.99 : x - Step 2: Convert to fraction form
273.30/409.97 = 110.99/x - Step 3: Cross multiply
273.30x = 409.97 × 110.99 - Step 4: Simplify right side
273.30x = 45,499.97 - Step 5: Solve for x
x = 45,499.97/273.30 - Step 6: Final answer
x = 166.48
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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.