Finding the Fourth Proportional to 296.69, 445.07 and 120.99
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Solution
The fourth proportional to 296.69, 445.07 and 120.99 is: 181.50
Step by Step Solution
- Step 1: Write the proportion equation
296.69 : 445.07 = 120.99 : x - Step 2: Convert to fraction form
296.69/445.07 = 120.99/x - Step 3: Cross multiply
296.69x = 445.07 × 120.99 - Step 4: Simplify right side
296.69x = 53,848.41 - Step 5: Solve for x
x = 53,848.41/296.69 - Step 6: Final answer
x = 181.50
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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.