Finding the Fourth Proportional to 396.93, 594.99 and 191.19
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Solution
The fourth proportional to 396.93, 594.99 and 191.19 is: 286.59
Step by Step Solution
- Step 1: Write the proportion equation
396.93 : 594.99 = 191.19 : x - Step 2: Convert to fraction form
396.93/594.99 = 191.19/x - Step 3: Cross multiply
396.93x = 594.99 × 191.19 - Step 4: Simplify right side
396.93x = 113,756.14 - Step 5: Solve for x
x = 113,756.14/396.93 - Step 6: Final answer
x = 286.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.