Finding the Fourth Proportional to 369.06, 553.93 and 163.68
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Solution
The fourth proportional to 369.06, 553.93 and 163.68 is: 245.68
Step by Step Solution
- Step 1: Write the proportion equation
369.06 : 553.93 = 163.68 : x - Step 2: Convert to fraction form
369.06/553.93 = 163.68/x - Step 3: Cross multiply
369.06x = 553.93 × 163.68 - Step 4: Simplify right side
369.06x = 90,668.44 - Step 5: Solve for x
x = 90,668.44/369.06 - Step 6: Final answer
x = 245.68
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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.