Finding the Fourth Proportional to 262.58, 393.26 and 201.23
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Solution
The fourth proportional to 262.58, 393.26 and 201.23 is: 301.37
Step by Step Solution
- Step 1: Write the proportion equation
262.58 : 393.26 = 201.23 : x - Step 2: Convert to fraction form
262.58/393.26 = 201.23/x - Step 3: Cross multiply
262.58x = 393.26 × 201.23 - Step 4: Simplify right side
262.58x = 79,134.25 - Step 5: Solve for x
x = 79,134.25/262.58 - Step 6: Final answer
x = 301.37
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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.