Finding the Fourth Proportional to 108.50, 163.06 and 106.68
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Solution
The fourth proportional to 108.50, 163.06 and 106.68 is: 160.32
Step by Step Solution
- Step 1: Write the proportion equation
108.50 : 163.06 = 106.68 : x - Step 2: Convert to fraction form
108.50/163.06 = 106.68/x - Step 3: Cross multiply
108.50x = 163.06 × 106.68 - Step 4: Simplify right side
108.50x = 17,395.24 - Step 5: Solve for x
x = 17,395.24/108.50 - Step 6: Final answer
x = 160.32
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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.