Finding the Fourth Proportional to 383.05, 574.26 and 163.84
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Solution
The fourth proportional to 383.05, 574.26 and 163.84 is: 245.63
Step by Step Solution
- Step 1: Write the proportion equation
383.05 : 574.26 = 163.84 : x - Step 2: Convert to fraction form
383.05/574.26 = 163.84/x - Step 3: Cross multiply
383.05x = 574.26 × 163.84 - Step 4: Simplify right side
383.05x = 94,087.40 - Step 5: Solve for x
x = 94,087.40/383.05 - Step 6: Final answer
x = 245.63
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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.