Finding the Fourth Proportional to 252.17, 377.91 and 121.99
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Solution
The fourth proportional to 252.17, 377.91 and 121.99 is: 182.82
Step by Step Solution
- Step 1: Write the proportion equation
252.17 : 377.91 = 121.99 : x - Step 2: Convert to fraction form
252.17/377.91 = 121.99/x - Step 3: Cross multiply
252.17x = 377.91 × 121.99 - Step 4: Simplify right side
252.17x = 46,101.24 - Step 5: Solve for x
x = 46,101.24/252.17 - Step 6: Final answer
x = 182.82
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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.