Finding the Fourth Proportional to 175.44, 262.99 and 84.16
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Solution
The fourth proportional to 175.44, 262.99 and 84.16 is: 126.16
Step by Step Solution
- Step 1: Write the proportion equation
175.44 : 262.99 = 84.16 : x - Step 2: Convert to fraction form
175.44/262.99 = 84.16/x - Step 3: Cross multiply
175.44x = 262.99 × 84.16 - Step 4: Simplify right side
175.44x = 22,133.24 - Step 5: Solve for x
x = 22,133.24/175.44 - Step 6: Final answer
x = 126.16
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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.