Finding the Fourth Proportional to 227.71, 341.58 and 136.99
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Solution
The fourth proportional to 227.71, 341.58 and 136.99 is: 205.49
Step by Step Solution
- Step 1: Write the proportion equation
227.71 : 341.58 = 136.99 : x - Step 2: Convert to fraction form
227.71/341.58 = 136.99/x - Step 3: Cross multiply
227.71x = 341.58 × 136.99 - Step 4: Simplify right side
227.71x = 46,792.36 - Step 5: Solve for x
x = 46,792.36/227.71 - Step 6: Final answer
x = 205.49
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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.