Finding the Fourth Proportional to 574.78, 862.08 and 163.99
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Solution
The fourth proportional to 574.78, 862.08 and 163.99 is: 245.96
Step by Step Solution
- Step 1: Write the proportion equation
574.78 : 862.08 = 163.99 : x - Step 2: Convert to fraction form
574.78/862.08 = 163.99/x - Step 3: Cross multiply
574.78x = 862.08 × 163.99 - Step 4: Simplify right side
574.78x = 141,372.50 - Step 5: Solve for x
x = 141,372.50/574.78 - Step 6: Final answer
x = 245.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.