Finding the Fourth Proportional to 171.68, 257.51 and 63.44
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Solution
The fourth proportional to 171.68, 257.51 and 63.44 is: 95.16
Step by Step Solution
- Step 1: Write the proportion equation
171.68 : 257.51 = 63.44 : x - Step 2: Convert to fraction form
171.68/257.51 = 63.44/x - Step 3: Cross multiply
171.68x = 257.51 × 63.44 - Step 4: Simplify right side
171.68x = 16,337.24 - Step 5: Solve for x
x = 16,337.24/171.68 - Step 6: Final answer
x = 95.16
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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.