Finding the Fourth Proportional to 178.36, 246.14 and 104.68
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Solution
The fourth proportional to 178.36, 246.14 and 104.68 is: 144.46
Step by Step Solution
- Step 1: Write the proportion equation
178.36 : 246.14 = 104.68 : x - Step 2: Convert to fraction form
178.36/246.14 = 104.68/x - Step 3: Cross multiply
178.36x = 246.14 × 104.68 - Step 4: Simplify right side
178.36x = 25,765.94 - Step 5: Solve for x
x = 25,765.94/178.36 - Step 6: Final answer
x = 144.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.