Finding the Fourth Proportional to 306.99, 423.61 and 182.62
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Solution
The fourth proportional to 306.99, 423.61 and 182.62 is: 252.00
Step by Step Solution
- Step 1: Write the proportion equation
306.99 : 423.61 = 182.62 : x - Step 2: Convert to fraction form
306.99/423.61 = 182.62/x - Step 3: Cross multiply
306.99x = 423.61 × 182.62 - Step 4: Simplify right side
306.99x = 77,360.26 - Step 5: Solve for x
x = 77,360.26/306.99 - Step 6: Final answer
x = 252.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.