Finding the Fourth Proportional to 46.37, 69.41 and 27.09
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Solution
The fourth proportional to 46.37, 69.41 and 27.09 is: 40.56
Step by Step Solution
- Step 1: Write the proportion equation
46.37 : 69.41 = 27.09 : x - Step 2: Convert to fraction form
46.37/69.41 = 27.09/x - Step 3: Cross multiply
46.37x = 69.41 × 27.09 - Step 4: Simplify right side
46.37x = 1,880.38 - Step 5: Solve for x
x = 1,880.38/46.37 - Step 6: Final answer
x = 40.56
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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.