Finding the Fourth Proportional to 262.11, 392.36 and 170.67
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Solution
The fourth proportional to 262.11, 392.36 and 170.67 is: 255.48
Step by Step Solution
- Step 1: Write the proportion equation
262.11 : 392.36 = 170.67 : x - Step 2: Convert to fraction form
262.11/392.36 = 170.67/x - Step 3: Cross multiply
262.11x = 392.36 × 170.67 - Step 4: Simplify right side
262.11x = 66,963.23 - Step 5: Solve for x
x = 66,963.23/262.11 - Step 6: Final answer
x = 255.48
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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.