Finding the Fourth Proportional to 183.36, 252.99 and 117.75
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Solution
The fourth proportional to 183.36, 252.99 and 117.75 is: 162.46
Step by Step Solution
- Step 1: Write the proportion equation
183.36 : 252.99 = 117.75 : x - Step 2: Convert to fraction form
183.36/252.99 = 117.75/x - Step 3: Cross multiply
183.36x = 252.99 × 117.75 - Step 4: Simplify right side
183.36x = 29,789.57 - Step 5: Solve for x
x = 29,789.57/183.36 - Step 6: Final answer
x = 162.46
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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.