Finding the Fourth Proportional to 175.97, 263.45 and 120.99
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Solution
The fourth proportional to 175.97, 263.45 and 120.99 is: 181.14
Step by Step Solution
- Step 1: Write the proportion equation
175.97 : 263.45 = 120.99 : x - Step 2: Convert to fraction form
175.97/263.45 = 120.99/x - Step 3: Cross multiply
175.97x = 263.45 × 120.99 - Step 4: Simplify right side
175.97x = 31,876.11 - Step 5: Solve for x
x = 31,876.11/175.97 - Step 6: Final answer
x = 181.14
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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.