Finding the Fourth Proportional to 168.71, 252.99 and 114.93
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Solution
The fourth proportional to 168.71, 252.99 and 114.93 is: 172.35
Step by Step Solution
- Step 1: Write the proportion equation
168.71 : 252.99 = 114.93 : x - Step 2: Convert to fraction form
168.71/252.99 = 114.93/x - Step 3: Cross multiply
168.71x = 252.99 × 114.93 - Step 4: Simplify right side
168.71x = 29,076.14 - Step 5: Solve for x
x = 29,076.14/168.71 - Step 6: Final answer
x = 172.35
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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.