Finding the Fourth Proportional to 340.99, 470.56 and 201.09
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Solution
The fourth proportional to 340.99, 470.56 and 201.09 is: 277.50
Step by Step Solution
- Step 1: Write the proportion equation
340.99 : 470.56 = 201.09 : x - Step 2: Convert to fraction form
340.99/470.56 = 201.09/x - Step 3: Cross multiply
340.99x = 470.56 × 201.09 - Step 4: Simplify right side
340.99x = 94,624.91 - Step 5: Solve for x
x = 94,624.91/340.99 - Step 6: Final answer
x = 277.50
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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.