Finding the Fourth Proportional to 195.13, 269.26 and 107.80
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Solution
The fourth proportional to 195.13, 269.26 and 107.80 is: 148.75
Step by Step Solution
- Step 1: Write the proportion equation
195.13 : 269.26 = 107.80 : x - Step 2: Convert to fraction form
195.13/269.26 = 107.80/x - Step 3: Cross multiply
195.13x = 269.26 × 107.80 - Step 4: Simplify right side
195.13x = 29,025.29 - Step 5: Solve for x
x = 29,025.29/195.13 - Step 6: Final answer
x = 148.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.