Finding the Fourth Proportional to 289.94, 399.88 and 184.99
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Solution
The fourth proportional to 289.94, 399.88 and 184.99 is: 255.14
Step by Step Solution
- Step 1: Write the proportion equation
289.94 : 399.88 = 184.99 : x - Step 2: Convert to fraction form
289.94/399.88 = 184.99/x - Step 3: Cross multiply
289.94x = 399.88 × 184.99 - Step 4: Simplify right side
289.94x = 73,972.88 - Step 5: Solve for x
x = 73,972.88/289.94 - Step 6: Final answer
x = 255.14
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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.