Finding the Fourth Proportional to 440.70, 660.99 and 163.23
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Solution
The fourth proportional to 440.70, 660.99 and 163.23 is: 244.82
Step by Step Solution
- Step 1: Write the proportion equation
440.70 : 660.99 = 163.23 : x - Step 2: Convert to fraction form
440.70/660.99 = 163.23/x - Step 3: Cross multiply
440.70x = 660.99 × 163.23 - Step 4: Simplify right side
440.70x = 107,893.40 - Step 5: Solve for x
x = 107,893.40/440.70 - Step 6: Final answer
x = 244.82
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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.