Finding the Fourth Proportional to 226.99, 340.42 and 64.68
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Solution
The fourth proportional to 226.99, 340.42 and 64.68 is: 97.00
Step by Step Solution
- Step 1: Write the proportion equation
226.99 : 340.42 = 64.68 : x - Step 2: Convert to fraction form
226.99/340.42 = 64.68/x - Step 3: Cross multiply
226.99x = 340.42 × 64.68 - Step 4: Simplify right side
226.99x = 22,018.37 - Step 5: Solve for x
x = 22,018.37/226.99 - Step 6: Final answer
x = 97.00
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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.