Finding the Fourth Proportional to 304.21, 456.23 and 149.99
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Solution
The fourth proportional to 304.21, 456.23 and 149.99 is: 224.94
Step by Step Solution
- Step 1: Write the proportion equation
304.21 : 456.23 = 149.99 : x - Step 2: Convert to fraction form
304.21/456.23 = 149.99/x - Step 3: Cross multiply
304.21x = 456.23 × 149.99 - Step 4: Simplify right side
304.21x = 68,428.03 - Step 5: Solve for x
x = 68,428.03/304.21 - Step 6: Final answer
x = 224.94
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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.