Finding the Fourth Proportional to 289.93, 399.99 and 184.99
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Solution
The fourth proportional to 289.93, 399.99 and 184.99 is: 255.21
Step by Step Solution
- Step 1: Write the proportion equation
289.93 : 399.99 = 184.99 : x - Step 2: Convert to fraction form
289.93/399.99 = 184.99/x - Step 3: Cross multiply
289.93x = 399.99 × 184.99 - Step 4: Simplify right side
289.93x = 73,994.15 - Step 5: Solve for x
x = 73,994.15/289.93 - Step 6: Final answer
x = 255.21
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.