Finding the Fourth Proportional to 262.40, 392.99 and 201.06
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Solution
The fourth proportional to 262.40, 392.99 and 201.06 is: 301.12
Step by Step Solution
- Step 1: Write the proportion equation
262.40 : 392.99 = 201.06 : x - Step 2: Convert to fraction form
262.40/392.99 = 201.06/x - Step 3: Cross multiply
262.40x = 392.99 × 201.06 - Step 4: Simplify right side
262.40x = 79,013.56 - Step 5: Solve for x
x = 79,013.56/262.40 - Step 6: Final answer
x = 301.12
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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.