Finding the Fourth Proportional to 935.99, 1,403.99 and 251.99
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Solution
The fourth proportional to 935.99, 1,403.99 and 251.99 is: 377.99
Step by Step Solution
- Step 1: Write the proportion equation
935.99 : 1,403.99 = 251.99 : x - Step 2: Convert to fraction form
935.99/1,403.99 = 251.99/x - Step 3: Cross multiply
935.99x = 1,403.99 × 251.99 - Step 4: Simplify right side
935.99x = 353,791.44 - Step 5: Solve for x
x = 353,791.44/935.99 - Step 6: Final answer
x = 377.99
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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.