Finding the Fourth Proportional to 296.58, 445.05 and 113.99
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Solution
The fourth proportional to 296.58, 445.05 and 113.99 is: 171.05
Step by Step Solution
- Step 1: Write the proportion equation
296.58 : 445.05 = 113.99 : x - Step 2: Convert to fraction form
296.58/445.05 = 113.99/x - Step 3: Cross multiply
296.58x = 445.05 × 113.99 - Step 4: Simplify right side
296.58x = 50,731.25 - Step 5: Solve for x
x = 50,731.25/296.58 - Step 6: Final answer
x = 171.05
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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.