Finding the Fourth Proportional to 180.88, 249.62 and 97.99
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Solution
The fourth proportional to 180.88, 249.62 and 97.99 is: 135.23
Step by Step Solution
- Step 1: Write the proportion equation
180.88 : 249.62 = 97.99 : x - Step 2: Convert to fraction form
180.88/249.62 = 97.99/x - Step 3: Cross multiply
180.88x = 249.62 × 97.99 - Step 4: Simplify right side
180.88x = 24,460.45 - Step 5: Solve for x
x = 24,460.45/180.88 - Step 6: Final answer
x = 135.23
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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.