Finding the Fourth Proportional to 130.26, 195.11 and 108.54
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Solution
The fourth proportional to 130.26, 195.11 and 108.54 is: 162.58
Step by Step Solution
- Step 1: Write the proportion equation
130.26 : 195.11 = 108.54 : x - Step 2: Convert to fraction form
130.26/195.11 = 108.54/x - Step 3: Cross multiply
130.26x = 195.11 × 108.54 - Step 4: Simplify right side
130.26x = 21,177.24 - Step 5: Solve for x
x = 21,177.24/130.26 - Step 6: Final answer
x = 162.58
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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.