Finding the Fourth Proportional to 371.28, 556.84 and 166.08
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Solution
The fourth proportional to 371.28, 556.84 and 166.08 is: 249.08
Step by Step Solution
- Step 1: Write the proportion equation
371.28 : 556.84 = 166.08 : x - Step 2: Convert to fraction form
371.28/556.84 = 166.08/x - Step 3: Cross multiply
371.28x = 556.84 × 166.08 - Step 4: Simplify right side
371.28x = 92,479.99 - Step 5: Solve for x
x = 92,479.99/371.28 - Step 6: Final answer
x = 249.08
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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.