Finding the Fourth Proportional to 400.12, 600.58 and 226.99
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Solution
The fourth proportional to 400.12, 600.58 and 226.99 is: 340.70
Step by Step Solution
- Step 1: Write the proportion equation
400.12 : 600.58 = 226.99 : x - Step 2: Convert to fraction form
400.12/600.58 = 226.99/x - Step 3: Cross multiply
400.12x = 600.58 × 226.99 - Step 4: Simplify right side
400.12x = 136,322.65 - Step 5: Solve for x
x = 136,322.65/400.12 - Step 6: Final answer
x = 340.70
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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.