Finding the Fourth Proportional to 116.99, 175.40 and 51.99
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Solution
The fourth proportional to 116.99, 175.40 and 51.99 is: 77.95
Step by Step Solution
- Step 1: Write the proportion equation
116.99 : 175.40 = 51.99 : x - Step 2: Convert to fraction form
116.99/175.40 = 51.99/x - Step 3: Cross multiply
116.99x = 175.40 × 51.99 - Step 4: Simplify right side
116.99x = 9,119.05 - Step 5: Solve for x
x = 9,119.05/116.99 - Step 6: Final answer
x = 77.95
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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.