Finding the Fourth Proportional to 50.36, 69.36 and 46.31
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Solution
The fourth proportional to 50.36, 69.36 and 46.31 is: 63.78
Step by Step Solution
- Step 1: Write the proportion equation
50.36 : 69.36 = 46.31 : x - Step 2: Convert to fraction form
50.36/69.36 = 46.31/x - Step 3: Cross multiply
50.36x = 69.36 × 46.31 - Step 4: Simplify right side
50.36x = 3,211.54 - Step 5: Solve for x
x = 3,211.54/50.36 - Step 6: Final answer
x = 63.78
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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.