Finding the Fourth Proportional to 168.21, 232.00 and 137.03
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Solution
The fourth proportional to 168.21, 232.00 and 137.03 is: 188.99
Step by Step Solution
- Step 1: Write the proportion equation
168.21 : 232.00 = 137.03 : x - Step 2: Convert to fraction form
168.21/232.00 = 137.03/x - Step 3: Cross multiply
168.21x = 232.00 × 137.03 - Step 4: Simplify right side
168.21x = 31,789.46 - Step 5: Solve for x
x = 31,789.46/168.21 - Step 6: Final answer
x = 188.99
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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.