Finding the Fourth Proportional to 441.99, 662.99 and 429.84
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Solution
The fourth proportional to 441.99, 662.99 and 429.84 is: 644.76
Step by Step Solution
- Step 1: Write the proportion equation
441.99 : 662.99 = 429.84 : x - Step 2: Convert to fraction form
441.99/662.99 = 429.84/x - Step 3: Cross multiply
441.99x = 662.99 × 429.84 - Step 4: Simplify right side
441.99x = 284,977.47 - Step 5: Solve for x
x = 284,977.47/441.99 - Step 6: Final answer
x = 644.76
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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.