Finding the Fourth Proportional to 195.14, 292.74 and 79.58
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Solution
The fourth proportional to 195.14, 292.74 and 79.58 is: 119.38
Step by Step Solution
- Step 1: Write the proportion equation
195.14 : 292.74 = 79.58 : x - Step 2: Convert to fraction form
195.14/292.74 = 79.58/x - Step 3: Cross multiply
195.14x = 292.74 × 79.58 - Step 4: Simplify right side
195.14x = 23,296.25 - Step 5: Solve for x
x = 23,296.25/195.14 - Step 6: Final answer
x = 119.38
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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.