Finding the Fourth Proportional to 82.98, 124.49 and 37.32
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Solution
The fourth proportional to 82.98, 124.49 and 37.32 is: 55.99
Step by Step Solution
- Step 1: Write the proportion equation
82.98 : 124.49 = 37.32 : x - Step 2: Convert to fraction form
82.98/124.49 = 37.32/x - Step 3: Cross multiply
82.98x = 124.49 × 37.32 - Step 4: Simplify right side
82.98x = 4,645.97 - Step 5: Solve for x
x = 4,645.97/82.98 - Step 6: Final answer
x = 55.99
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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.