Finding the Fourth Proportional to 440.67, 660.99 and 166.44
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Solution
The fourth proportional to 440.67, 660.99 and 166.44 is: 249.65
Step by Step Solution
- Step 1: Write the proportion equation
440.67 : 660.99 = 166.44 : x - Step 2: Convert to fraction form
440.67/660.99 = 166.44/x - Step 3: Cross multiply
440.67x = 660.99 × 166.44 - Step 4: Simplify right side
440.67x = 110,015.18 - Step 5: Solve for x
x = 110,015.18/440.67 - Step 6: Final answer
x = 249.65
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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.