Finding the Fourth Proportional to 183.70, 253.47 and 104.99
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Solution
The fourth proportional to 183.70, 253.47 and 104.99 is: 144.87
Step by Step Solution
- Step 1: Write the proportion equation
183.70 : 253.47 = 104.99 : x - Step 2: Convert to fraction form
183.70/253.47 = 104.99/x - Step 3: Cross multiply
183.70x = 253.47 × 104.99 - Step 4: Simplify right side
183.70x = 26,611.82 - Step 5: Solve for x
x = 26,611.82/183.70 - Step 6: Final answer
x = 144.87
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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.