Finding the Fourth Proportional to 94.09, 141.15 and 29.09
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Solution
The fourth proportional to 94.09, 141.15 and 29.09 is: 43.64
Step by Step Solution
- Step 1: Write the proportion equation
94.09 : 141.15 = 29.09 : x - Step 2: Convert to fraction form
94.09/141.15 = 29.09/x - Step 3: Cross multiply
94.09x = 141.15 × 29.09 - Step 4: Simplify right side
94.09x = 4,105.72 - Step 5: Solve for x
x = 4,105.72/94.09 - Step 6: Final answer
x = 43.64
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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.