Finding the Fourth Proportional to 179.69, 247.99 and 105.99
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Solution
The fourth proportional to 179.69, 247.99 and 105.99 is: 146.28
Step by Step Solution
- Step 1: Write the proportion equation
179.69 : 247.99 = 105.99 : x - Step 2: Convert to fraction form
179.69/247.99 = 105.99/x - Step 3: Cross multiply
179.69x = 247.99 × 105.99 - Step 4: Simplify right side
179.69x = 26,284.20 - Step 5: Solve for x
x = 26,284.20/179.69 - Step 6: Final answer
x = 146.28
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.