Finding the Fourth Proportional to 193.99, 290.98 and 63.98
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Solution
The fourth proportional to 193.99, 290.98 and 63.98 is: 95.96
Step by Step Solution
- Step 1: Write the proportion equation
193.99 : 290.98 = 63.98 : x - Step 2: Convert to fraction form
193.99/290.98 = 63.98/x - Step 3: Cross multiply
193.99x = 290.98 × 63.98 - Step 4: Simplify right side
193.99x = 18,615.13 - Step 5: Solve for x
x = 18,615.13/193.99 - Step 6: Final answer
x = 95.96
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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.