Finding the Fourth Proportional to 200.52, 276.71 and 111.99
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Solution
The fourth proportional to 200.52, 276.71 and 111.99 is: 154.55
Step by Step Solution
- Step 1: Write the proportion equation
200.52 : 276.71 = 111.99 : x - Step 2: Convert to fraction form
200.52/276.71 = 111.99/x - Step 3: Cross multiply
200.52x = 276.71 × 111.99 - Step 4: Simplify right side
200.52x = 30,989.37 - Step 5: Solve for x
x = 30,989.37/200.52 - Step 6: Final answer
x = 154.55
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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.