Finding the Fourth Proportional to 195.12, 292.77 and 99
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Solution
The fourth proportional to 195.12, 292.77 and 99 is: 148.55
Step by Step Solution
- Step 1: Write the proportion equation
195.12 : 292.77 = 99 : x - Step 2: Convert to fraction form
195.12/292.77 = 99/x - Step 3: Cross multiply
195.12x = 292.77 × 99 - Step 4: Simplify right side
195.12x = 28,984.23 - Step 5: Solve for x
x = 28,984.23/195.12 - Step 6: Final answer
x = 148.55
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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.