Finding the Fourth Proportional to 284.97, 393.14 and 174.44
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Solution
The fourth proportional to 284.97, 393.14 and 174.44 is: 240.65
Step by Step Solution
- Step 1: Write the proportion equation
284.97 : 393.14 = 174.44 : x - Step 2: Convert to fraction form
284.97/393.14 = 174.44/x - Step 3: Cross multiply
284.97x = 393.14 × 174.44 - Step 4: Simplify right side
284.97x = 68,579.34 - Step 5: Solve for x
x = 68,579.34/284.97 - Step 6: Final answer
x = 240.65
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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.