Finding the Fourth Proportional to 306.22, 459.36 and 209.08
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Solution
The fourth proportional to 306.22, 459.36 and 209.08 is: 313.64
Step by Step Solution
- Step 1: Write the proportion equation
306.22 : 459.36 = 209.08 : x - Step 2: Convert to fraction form
306.22/459.36 = 209.08/x - Step 3: Cross multiply
306.22x = 459.36 × 209.08 - Step 4: Simplify right side
306.22x = 96,042.99 - Step 5: Solve for x
x = 96,042.99/306.22 - Step 6: Final answer
x = 313.64
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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.