Finding the Fourth Proportional to 192.41, 288.48 and 68.99
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Solution
The fourth proportional to 192.41, 288.48 and 68.99 is: 103.43
Step by Step Solution
- Step 1: Write the proportion equation
192.41 : 288.48 = 68.99 : x - Step 2: Convert to fraction form
192.41/288.48 = 68.99/x - Step 3: Cross multiply
192.41x = 288.48 × 68.99 - Step 4: Simplify right side
192.41x = 19,900.66 - Step 5: Solve for x
x = 19,900.66/192.41 - Step 6: Final answer
x = 103.43
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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.