Finding the Fourth Proportional to 340.92, 470.65 and 201.08
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Solution
The fourth proportional to 340.92, 470.65 and 201.08 is: 277.60
Step by Step Solution
- Step 1: Write the proportion equation
340.92 : 470.65 = 201.08 : x - Step 2: Convert to fraction form
340.92/470.65 = 201.08/x - Step 3: Cross multiply
340.92x = 470.65 × 201.08 - Step 4: Simplify right side
340.92x = 94,638.79 - Step 5: Solve for x
x = 94,638.79/340.92 - Step 6: Final answer
x = 277.60
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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.