Finding the Fourth Proportional to 370.75, 556.11 and 110.74
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Solution
The fourth proportional to 370.75, 556.11 and 110.74 is: 166.11
Step by Step Solution
- Step 1: Write the proportion equation
370.75 : 556.11 = 110.74 : x - Step 2: Convert to fraction form
370.75/556.11 = 110.74/x - Step 3: Cross multiply
370.75x = 556.11 × 110.74 - Step 4: Simplify right side
370.75x = 61,583.62 - Step 5: Solve for x
x = 61,583.62/370.75 - Step 6: Final answer
x = 166.11
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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.