Finding the Fourth Proportional to 340.97, 470.42 and 201.09
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Solution
The fourth proportional to 340.97, 470.42 and 201.09 is: 277.44
Step by Step Solution
- Step 1: Write the proportion equation
340.97 : 470.42 = 201.09 : x - Step 2: Convert to fraction form
340.97/470.42 = 201.09/x - Step 3: Cross multiply
340.97x = 470.42 × 201.09 - Step 4: Simplify right side
340.97x = 94,595.75 - Step 5: Solve for x
x = 94,595.75/340.97 - Step 6: Final answer
x = 277.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.