Finding the Fourth Proportional to 134.06, 201.09 and 98.21
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Solution
The fourth proportional to 134.06, 201.09 and 98.21 is: 147.32
Step by Step Solution
- Step 1: Write the proportion equation
134.06 : 201.09 = 98.21 : x - Step 2: Convert to fraction form
134.06/201.09 = 98.21/x - Step 3: Cross multiply
134.06x = 201.09 × 98.21 - Step 4: Simplify right side
134.06x = 19,749.05 - Step 5: Solve for x
x = 19,749.05/134.06 - Step 6: Final answer
x = 147.32
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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.