Finding the Fourth Proportional to 146.22, 201.83 and 104.70
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Solution
The fourth proportional to 146.22, 201.83 and 104.70 is: 144.52
Step by Step Solution
- Step 1: Write the proportion equation
146.22 : 201.83 = 104.70 : x - Step 2: Convert to fraction form
146.22/201.83 = 104.70/x - Step 3: Cross multiply
146.22x = 201.83 × 104.70 - Step 4: Simplify right side
146.22x = 21,131.08 - Step 5: Solve for x
x = 21,131.08/146.22 - Step 6: Final answer
x = 144.52
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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.