Finding the Fourth Proportional to 305.99, 459.21 and 233.09
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Solution
The fourth proportional to 305.99, 459.21 and 233.09 is: 349.80
Step by Step Solution
- Step 1: Write the proportion equation
305.99 : 459.21 = 233.09 : x - Step 2: Convert to fraction form
305.99/459.21 = 233.09/x - Step 3: Cross multiply
305.99x = 459.21 × 233.09 - Step 4: Simplify right side
305.99x = 107,034.96 - Step 5: Solve for x
x = 107,034.96/305.99 - Step 6: Final answer
x = 349.80
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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.