Finding the Fourth Proportional to 330.36, 495.20 and 192.99
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Solution
The fourth proportional to 330.36, 495.20 and 192.99 is: 289.29
Step by Step Solution
- Step 1: Write the proportion equation
330.36 : 495.20 = 192.99 : x - Step 2: Convert to fraction form
330.36/495.20 = 192.99/x - Step 3: Cross multiply
330.36x = 495.20 × 192.99 - Step 4: Simplify right side
330.36x = 95,568.41 - Step 5: Solve for x
x = 95,568.41/330.36 - Step 6: Final answer
x = 289.29
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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.