Finding the Fourth Proportional to 168.76, 233.10 and 142.62
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Solution
The fourth proportional to 168.76, 233.10 and 142.62 is: 196.99
Step by Step Solution
- Step 1: Write the proportion equation
168.76 : 233.10 = 142.62 : x - Step 2: Convert to fraction form
168.76/233.10 = 142.62/x - Step 3: Cross multiply
168.76x = 233.10 × 142.62 - Step 4: Simplify right side
168.76x = 33,244.72 - Step 5: Solve for x
x = 33,244.72/168.76 - Step 6: Final answer
x = 196.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.