Finding the Fourth Proportional to 393.44, 590.36 and 201.06
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Solution
The fourth proportional to 393.44, 590.36 and 201.06 is: 301.69
Step by Step Solution
- Step 1: Write the proportion equation
393.44 : 590.36 = 201.06 : x - Step 2: Convert to fraction form
393.44/590.36 = 201.06/x - Step 3: Cross multiply
393.44x = 590.36 × 201.06 - Step 4: Simplify right side
393.44x = 118,696.78 - Step 5: Solve for x
x = 118,696.78/393.44 - Step 6: Final answer
x = 301.69
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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.