Finding the Fourth Proportional to 306.63, 459.54 and 270.99
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Solution
The fourth proportional to 306.63, 459.54 and 270.99 is: 406.13
Step by Step Solution
- Step 1: Write the proportion equation
306.63 : 459.54 = 270.99 : x - Step 2: Convert to fraction form
306.63/459.54 = 270.99/x - Step 3: Cross multiply
306.63x = 459.54 × 270.99 - Step 4: Simplify right side
306.63x = 124,530.74 - Step 5: Solve for x
x = 124,530.74/306.63 - Step 6: Final answer
x = 406.13
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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.