Finding the Fourth Proportional to 284.97, 393.23 and 180.08
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Solution
The fourth proportional to 284.97, 393.23 and 180.08 is: 248.48
Step by Step Solution
- Step 1: Write the proportion equation
284.97 : 393.23 = 180.08 : x - Step 2: Convert to fraction form
284.97/393.23 = 180.08/x - Step 3: Cross multiply
284.97x = 393.23 × 180.08 - Step 4: Simplify right side
284.97x = 70,809.99 - Step 5: Solve for x
x = 70,809.99/284.97 - Step 6: Final answer
x = 248.48
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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.