Finding the Fourth Proportional to 55.26, 76.26 and 33.44
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Solution
The fourth proportional to 55.26, 76.26 and 33.44 is: 46.15
Step by Step Solution
- Step 1: Write the proportion equation
55.26 : 76.26 = 33.44 : x - Step 2: Convert to fraction form
55.26/76.26 = 33.44/x - Step 3: Cross multiply
55.26x = 76.26 × 33.44 - Step 4: Simplify right side
55.26x = 2,550.13 - Step 5: Solve for x
x = 2,550.13/55.26 - Step 6: Final answer
x = 46.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.