Finding the Fourth Proportional to 440.73, 660.99 and 132.58
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Solution
The fourth proportional to 440.73, 660.99 and 132.58 is: 198.84
Step by Step Solution
- Step 1: Write the proportion equation
440.73 : 660.99 = 132.58 : x - Step 2: Convert to fraction form
440.73/660.99 = 132.58/x - Step 3: Cross multiply
440.73x = 660.99 × 132.58 - Step 4: Simplify right side
440.73x = 87,634.05 - Step 5: Solve for x
x = 87,634.05/440.73 - Step 6: Final answer
x = 198.84
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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.