Finding the Fourth Proportional to 177.66, 244.99 and 122.41
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Solution
The fourth proportional to 177.66, 244.99 and 122.41 is: 168.80
Step by Step Solution
- Step 1: Write the proportion equation
177.66 : 244.99 = 122.41 : x - Step 2: Convert to fraction form
177.66/244.99 = 122.41/x - Step 3: Cross multiply
177.66x = 244.99 × 122.41 - Step 4: Simplify right side
177.66x = 29,989.69 - Step 5: Solve for x
x = 29,989.69/177.66 - Step 6: Final answer
x = 168.80
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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.