Finding the Fourth Proportional to 518.34, 715.41 and 363
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Solution
The fourth proportional to 518.34, 715.41 and 363 is: 501.01
Step by Step Solution
- Step 1: Write the proportion equation
518.34 : 715.41 = 363 : x - Step 2: Convert to fraction form
518.34/715.41 = 363/x - Step 3: Cross multiply
518.34x = 715.41 × 363 - Step 4: Simplify right side
518.34x = 259,693.83 - Step 5: Solve for x
x = 259,693.83/518.34 - Step 6: Final answer
x = 501.01
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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.