Finding the Fourth Proportional to 383.66, 575.84 and 201.18
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Solution
The fourth proportional to 383.66, 575.84 and 201.18 is: 301.95
Step by Step Solution
- Step 1: Write the proportion equation
383.66 : 575.84 = 201.18 : x - Step 2: Convert to fraction form
383.66/575.84 = 201.18/x - Step 3: Cross multiply
383.66x = 575.84 × 201.18 - Step 4: Simplify right side
383.66x = 115,847.49 - Step 5: Solve for x
x = 115,847.49/383.66 - Step 6: Final answer
x = 301.95
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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.