Finding the Fourth Proportional to 226.99, 340.21 and 104.99
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Solution
The fourth proportional to 226.99, 340.21 and 104.99 is: 157.36
Step by Step Solution
- Step 1: Write the proportion equation
226.99 : 340.21 = 104.99 : x - Step 2: Convert to fraction form
226.99/340.21 = 104.99/x - Step 3: Cross multiply
226.99x = 340.21 × 104.99 - Step 4: Simplify right side
226.99x = 35,718.65 - Step 5: Solve for x
x = 35,718.65/226.99 - Step 6: Final answer
x = 157.36
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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.