Finding the Fourth Proportional to 183.13, 274.69 and 74.99
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Solution
The fourth proportional to 183.13, 274.69 and 74.99 is: 112.48
Step by Step Solution
- Step 1: Write the proportion equation
183.13 : 274.69 = 74.99 : x - Step 2: Convert to fraction form
183.13/274.69 = 74.99/x - Step 3: Cross multiply
183.13x = 274.69 × 74.99 - Step 4: Simplify right side
183.13x = 20,599.00 - Step 5: Solve for x
x = 20,599.00/183.13 - Step 6: Final answer
x = 112.48
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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.