Finding the Fourth Proportional to 273.05, 409.70 and 110.70
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Solution
The fourth proportional to 273.05, 409.70 and 110.70 is: 166.10
Step by Step Solution
- Step 1: Write the proportion equation
273.05 : 409.70 = 110.70 : x - Step 2: Convert to fraction form
273.05/409.70 = 110.70/x - Step 3: Cross multiply
273.05x = 409.70 × 110.70 - Step 4: Simplify right side
273.05x = 45,353.24 - Step 5: Solve for x
x = 45,353.24/273.05 - Step 6: Final answer
x = 166.10
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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.