Finding the Fourth Proportional to 176.99, 265.39 and 80.75
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Solution
The fourth proportional to 176.99, 265.39 and 80.75 is: 121.08
Step by Step Solution
- Step 1: Write the proportion equation
176.99 : 265.39 = 80.75 : x - Step 2: Convert to fraction form
176.99/265.39 = 80.75/x - Step 3: Cross multiply
176.99x = 265.39 × 80.75 - Step 4: Simplify right side
176.99x = 21,430.24 - Step 5: Solve for x
x = 21,430.24/176.99 - Step 6: Final answer
x = 121.08
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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.