Finding the Fourth Proportional to 198.24, 297.33 and 69.99
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Solution
The fourth proportional to 198.24, 297.33 and 69.99 is: 104.97
Step by Step Solution
- Step 1: Write the proportion equation
198.24 : 297.33 = 69.99 : x - Step 2: Convert to fraction form
198.24/297.33 = 69.99/x - Step 3: Cross multiply
198.24x = 297.33 × 69.99 - Step 4: Simplify right side
198.24x = 20,810.13 - Step 5: Solve for x
x = 20,810.13/198.24 - Step 6: Final answer
x = 104.97
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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.