Finding the Fourth Proportional to 517.13, 713.44 and 296
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Solution
The fourth proportional to 517.13, 713.44 and 296 is: 408.37
Step by Step Solution
- Step 1: Write the proportion equation
517.13 : 713.44 = 296 : x - Step 2: Convert to fraction form
517.13/713.44 = 296/x - Step 3: Cross multiply
517.13x = 713.44 × 296 - Step 4: Simplify right side
517.13x = 211,178.24 - Step 5: Solve for x
x = 211,178.24/517.13 - Step 6: Final answer
x = 408.37
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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.