Finding the Fourth Proportional to 441.36, 608.77 and 289.99
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Solution
The fourth proportional to 441.36, 608.77 and 289.99 is: 399.99
Step by Step Solution
- Step 1: Write the proportion equation
441.36 : 608.77 = 289.99 : x - Step 2: Convert to fraction form
441.36/608.77 = 289.99/x - Step 3: Cross multiply
441.36x = 608.77 × 289.99 - Step 4: Simplify right side
441.36x = 176,538.34 - Step 5: Solve for x
x = 176,538.34/441.36 - Step 6: Final answer
x = 399.99
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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.