Finding the Fourth Proportional to 192.76, 288.99 and 96.64
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Solution
The fourth proportional to 192.76, 288.99 and 96.64 is: 144.88
Step by Step Solution
- Step 1: Write the proportion equation
192.76 : 288.99 = 96.64 : x - Step 2: Convert to fraction form
192.76/288.99 = 96.64/x - Step 3: Cross multiply
192.76x = 288.99 × 96.64 - Step 4: Simplify right side
192.76x = 27,927.99 - Step 5: Solve for x
x = 27,927.99/192.76 - Step 6: Final answer
x = 144.88
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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.