Finding the Fourth Proportional to 177.53, 244.99 and 98.85
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Solution
The fourth proportional to 177.53, 244.99 and 98.85 is: 136.42
Step by Step Solution
- Step 1: Write the proportion equation
177.53 : 244.99 = 98.85 : x - Step 2: Convert to fraction form
177.53/244.99 = 98.85/x - Step 3: Cross multiply
177.53x = 244.99 × 98.85 - Step 4: Simplify right side
177.53x = 24,217.26 - Step 5: Solve for x
x = 24,217.26/177.53 - Step 6: Final answer
x = 136.42
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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.