Finding the Fourth Proportional to 371.29, 556.97 and 154.99
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Solution
The fourth proportional to 371.29, 556.97 and 154.99 is: 232.50
Step by Step Solution
- Step 1: Write the proportion equation
371.29 : 556.97 = 154.99 : x - Step 2: Convert to fraction form
371.29/556.97 = 154.99/x - Step 3: Cross multiply
371.29x = 556.97 × 154.99 - Step 4: Simplify right side
371.29x = 86,324.78 - Step 5: Solve for x
x = 86,324.78/371.29 - Step 6: Final answer
x = 232.50
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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.