Finding the Fourth Proportional to 306.21, 459.23 and 151.99
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Solution
The fourth proportional to 306.21, 459.23 and 151.99 is: 227.94
Step by Step Solution
- Step 1: Write the proportion equation
306.21 : 459.23 = 151.99 : x - Step 2: Convert to fraction form
306.21/459.23 = 151.99/x - Step 3: Cross multiply
306.21x = 459.23 × 151.99 - Step 4: Simplify right side
306.21x = 69,798.37 - Step 5: Solve for x
x = 69,798.37/306.21 - Step 6: Final answer
x = 227.94
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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.