Finding the Fourth Proportional to 55.99, 77.26 and 35.26
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Solution
The fourth proportional to 55.99, 77.26 and 35.26 is: 48.65
Step by Step Solution
- Step 1: Write the proportion equation
55.99 : 77.26 = 35.26 : x - Step 2: Convert to fraction form
55.99/77.26 = 35.26/x - Step 3: Cross multiply
55.99x = 77.26 × 35.26 - Step 4: Simplify right side
55.99x = 2,724.19 - Step 5: Solve for x
x = 2,724.19/55.99 - Step 6: Final answer
x = 48.65
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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.