Finding the Fourth Proportional to 50.16, 68.73 and 49.98
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Solution
The fourth proportional to 50.16, 68.73 and 49.98 is: 68.48
Step by Step Solution
- Step 1: Write the proportion equation
50.16 : 68.73 = 49.98 : x - Step 2: Convert to fraction form
50.16/68.73 = 49.98/x - Step 3: Cross multiply
50.16x = 68.73 × 49.98 - Step 4: Simplify right side
50.16x = 3,435.13 - Step 5: Solve for x
x = 3,435.13/50.16 - Step 6: Final answer
x = 68.48
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.