Finding the Fourth Proportional to 134.63, 201.49 and 93.88
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Solution
The fourth proportional to 134.63, 201.49 and 93.88 is: 140.49
Step by Step Solution
- Step 1: Write the proportion equation
134.63 : 201.49 = 93.88 : x - Step 2: Convert to fraction form
134.63/201.49 = 93.88/x - Step 3: Cross multiply
134.63x = 201.49 × 93.88 - Step 4: Simplify right side
134.63x = 18,914.40 - Step 5: Solve for x
x = 18,914.40/134.63 - Step 6: Final answer
x = 140.49
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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.