Finding the Fourth Proportional to 286.13, 395.01 and 175.75
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Solution
The fourth proportional to 286.13, 395.01 and 175.75 is: 242.63
Step by Step Solution
- Step 1: Write the proportion equation
286.13 : 395.01 = 175.75 : x - Step 2: Convert to fraction form
286.13/395.01 = 175.75/x - Step 3: Cross multiply
286.13x = 395.01 × 175.75 - Step 4: Simplify right side
286.13x = 69,424.24 - Step 5: Solve for x
x = 69,424.24/286.13 - Step 6: Final answer
x = 242.63
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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.