Finding the Fourth Proportional to 193.29, 288.53 and 168.99
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Solution
The fourth proportional to 193.29, 288.53 and 168.99 is: 252.26
Step by Step Solution
- Step 1: Write the proportion equation
193.29 : 288.53 = 168.99 : x - Step 2: Convert to fraction form
193.29/288.53 = 168.99/x - Step 3: Cross multiply
193.29x = 288.53 × 168.99 - Step 4: Simplify right side
193.29x = 48,758.68 - Step 5: Solve for x
x = 48,758.68/193.29 - Step 6: Final answer
x = 252.26
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.