Finding the Fourth Proportional to 133.96, 201.18 and 122.44
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Solution
The fourth proportional to 133.96, 201.18 and 122.44 is: 183.88
Step by Step Solution
- Step 1: Write the proportion equation
133.96 : 201.18 = 122.44 : x - Step 2: Convert to fraction form
133.96/201.18 = 122.44/x - Step 3: Cross multiply
133.96x = 201.18 × 122.44 - Step 4: Simplify right side
133.96x = 24,632.48 - Step 5: Solve for x
x = 24,632.48/133.96 - Step 6: Final answer
x = 183.88
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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.