Finding the Fourth Proportional to 171.41, 256.99 and 63.17
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Solution
The fourth proportional to 171.41, 256.99 and 63.17 is: 94.70
Step by Step Solution
- Step 1: Write the proportion equation
171.41 : 256.99 = 63.17 : x - Step 2: Convert to fraction form
171.41/256.99 = 63.17/x - Step 3: Cross multiply
171.41x = 256.99 × 63.17 - Step 4: Simplify right side
171.41x = 16,232.62 - Step 5: Solve for x
x = 16,232.62/171.41 - Step 6: Final answer
x = 94.70
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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.