Finding the Fourth Proportional to 132.84, 199.26 and 108.99
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Solution
The fourth proportional to 132.84, 199.26 and 108.99 is: 163.49
Step by Step Solution
- Step 1: Write the proportion equation
132.84 : 199.26 = 108.99 : x - Step 2: Convert to fraction form
132.84/199.26 = 108.99/x - Step 3: Cross multiply
132.84x = 199.26 × 108.99 - Step 4: Simplify right side
132.84x = 21,717.35 - Step 5: Solve for x
x = 21,717.35/132.84 - Step 6: Final answer
x = 163.49
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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.