Finding the Fourth Proportional to 440.44, 660.75 and 147.97
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Solution
The fourth proportional to 440.44, 660.75 and 147.97 is: 221.99
Step by Step Solution
- Step 1: Write the proportion equation
440.44 : 660.75 = 147.97 : x - Step 2: Convert to fraction form
440.44/660.75 = 147.97/x - Step 3: Cross multiply
440.44x = 660.75 × 147.97 - Step 4: Simplify right side
440.44x = 97,771.18 - Step 5: Solve for x
x = 97,771.18/440.44 - Step 6: Final answer
x = 221.99
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1.5x scale
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.