Finding the Fourth Proportional to 171.99, 257.97 and 94.99
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Solution
The fourth proportional to 171.99, 257.97 and 94.99 is: 142.48
Step by Step Solution
- Step 1: Write the proportion equation
171.99 : 257.97 = 94.99 : x - Step 2: Convert to fraction form
171.99/257.97 = 94.99/x - Step 3: Cross multiply
171.99x = 257.97 × 94.99 - Step 4: Simplify right side
171.99x = 24,504.10 - Step 5: Solve for x
x = 24,504.10/171.99 - Step 6: Final answer
x = 142.48
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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.