Finding the Fourth Proportional to 134.26, 201.16 and 69.19
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Solution
The fourth proportional to 134.26, 201.16 and 69.19 is: 103.67
Step by Step Solution
- Step 1: Write the proportion equation
134.26 : 201.16 = 69.19 : x - Step 2: Convert to fraction form
134.26/201.16 = 69.19/x - Step 3: Cross multiply
134.26x = 201.16 × 69.19 - Step 4: Simplify right side
134.26x = 13,918.26 - Step 5: Solve for x
x = 13,918.26/134.26 - Step 6: Final answer
x = 103.67
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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.