Finding the Fourth Proportional to 512.97, 708 and 303.28
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Solution
The fourth proportional to 512.97, 708 and 303.28 is: 418.59
Step by Step Solution
- Step 1: Write the proportion equation
512.97 : 708 = 303.28 : x - Step 2: Convert to fraction form
512.97/708 = 303.28/x - Step 3: Cross multiply
512.97x = 708 × 303.28 - Step 4: Simplify right side
512.97x = 214,722.24 - Step 5: Solve for x
x = 214,722.24/512.97 - Step 6: Final answer
x = 418.59
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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.