Finding the Fourth Proportional to 935.81, 1,403.74 and 232.99
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Solution
The fourth proportional to 935.81, 1,403.74 and 232.99 is: 349.49
Step by Step Solution
- Step 1: Write the proportion equation
935.81 : 1,403.74 = 232.99 : x - Step 2: Convert to fraction form
935.81/1,403.74 = 232.99/x - Step 3: Cross multiply
935.81x = 1,403.74 × 232.99 - Step 4: Simplify right side
935.81x = 327,059.43 - Step 5: Solve for x
x = 327,059.43/935.81 - Step 6: Final answer
x = 349.49
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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.