Finding the Fourth Proportional to 104.11, 156.36 and 97.63
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Solution
The fourth proportional to 104.11, 156.36 and 97.63 is: 146.63
Step by Step Solution
- Step 1: Write the proportion equation
104.11 : 156.36 = 97.63 : x - Step 2: Convert to fraction form
104.11/156.36 = 97.63/x - Step 3: Cross multiply
104.11x = 156.36 × 97.63 - Step 4: Simplify right side
104.11x = 15,265.43 - Step 5: Solve for x
x = 15,265.43/104.11 - Step 6: Final answer
x = 146.63
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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.