Finding the Fourth Proportional to 183.29, 252.95 and 121.07
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Solution
The fourth proportional to 183.29, 252.95 and 121.07 is: 167.09
Step by Step Solution
- Step 1: Write the proportion equation
183.29 : 252.95 = 121.07 : x - Step 2: Convert to fraction form
183.29/252.95 = 121.07/x - Step 3: Cross multiply
183.29x = 252.95 × 121.07 - Step 4: Simplify right side
183.29x = 30,624.68 - Step 5: Solve for x
x = 30,624.68/183.29 - Step 6: Final answer
x = 167.09
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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.