Finding the Fourth Proportional to 94.21, 141.24 and 40.09
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Solution
The fourth proportional to 94.21, 141.24 and 40.09 is: 60.10
Step by Step Solution
- Step 1: Write the proportion equation
94.21 : 141.24 = 40.09 : x - Step 2: Convert to fraction form
94.21/141.24 = 40.09/x - Step 3: Cross multiply
94.21x = 141.24 × 40.09 - Step 4: Simplify right side
94.21x = 5,662.31 - Step 5: Solve for x
x = 5,662.31/94.21 - Step 6: Final answer
x = 60.10
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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.