Finding the Fourth Proportional to 195.18, 292.55 and 86.95
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Solution
The fourth proportional to 195.18, 292.55 and 86.95 is: 130.33
Step by Step Solution
- Step 1: Write the proportion equation
195.18 : 292.55 = 86.95 : x - Step 2: Convert to fraction form
195.18/292.55 = 86.95/x - Step 3: Cross multiply
195.18x = 292.55 × 86.95 - Step 4: Simplify right side
195.18x = 25,437.22 - Step 5: Solve for x
x = 25,437.22/195.18 - Step 6: Final answer
x = 130.33
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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.