Finding the Fourth Proportional to 306.26, 459.42 and 214.68
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Solution
The fourth proportional to 306.26, 459.42 and 214.68 is: 322.04
Step by Step Solution
- Step 1: Write the proportion equation
306.26 : 459.42 = 214.68 : x - Step 2: Convert to fraction form
306.26/459.42 = 214.68/x - Step 3: Cross multiply
306.26x = 459.42 × 214.68 - Step 4: Simplify right side
306.26x = 98,626.53 - Step 5: Solve for x
x = 98,626.53/306.26 - Step 6: Final answer
x = 322.04
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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.