Finding the Fourth Proportional to 94.74, 142.11 and 26.27
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Solution
The fourth proportional to 94.74, 142.11 and 26.27 is: 39.41
Step by Step Solution
- Step 1: Write the proportion equation
94.74 : 142.11 = 26.27 : x - Step 2: Convert to fraction form
94.74/142.11 = 26.27/x - Step 3: Cross multiply
94.74x = 142.11 × 26.27 - Step 4: Simplify right side
94.74x = 3,733.23 - Step 5: Solve for x
x = 3,733.23/94.74 - Step 6: Final answer
x = 39.41
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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.