Finding the Fourth Proportional to 195.65, 292.98 and 191.99
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Solution
The fourth proportional to 195.65, 292.98 and 191.99 is: 287.50
Step by Step Solution
- Step 1: Write the proportion equation
195.65 : 292.98 = 191.99 : x - Step 2: Convert to fraction form
195.65/292.98 = 191.99/x - Step 3: Cross multiply
195.65x = 292.98 × 191.99 - Step 4: Simplify right side
195.65x = 56,249.23 - Step 5: Solve for x
x = 56,249.23/195.65 - Step 6: Final answer
x = 287.50
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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.