Finding the Fourth Proportional to 195.36, 293.10 and 79.82
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Solution
The fourth proportional to 195.36, 293.10 and 79.82 is: 119.75
Step by Step Solution
- Step 1: Write the proportion equation
195.36 : 293.10 = 79.82 : x - Step 2: Convert to fraction form
195.36/293.10 = 79.82/x - Step 3: Cross multiply
195.36x = 293.10 × 79.82 - Step 4: Simplify right side
195.36x = 23,395.24 - Step 5: Solve for x
x = 23,395.24/195.36 - Step 6: Final answer
x = 119.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.