Finding the Fourth Proportional to 226.91, 340.36 and 64.60
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Solution
The fourth proportional to 226.91, 340.36 and 64.60 is: 96.89
Step by Step Solution
- Step 1: Write the proportion equation
226.91 : 340.36 = 64.60 : x - Step 2: Convert to fraction form
226.91/340.36 = 64.60/x - Step 3: Cross multiply
226.91x = 340.36 × 64.60 - Step 4: Simplify right side
226.91x = 21,986.24 - Step 5: Solve for x
x = 21,986.24/226.91 - Step 6: Final answer
x = 96.89
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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.