Finding the Fourth Proportional to 304.30, 456.14 and 149.99
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Solution
The fourth proportional to 304.30, 456.14 and 149.99 is: 224.84
Step by Step Solution
- Step 1: Write the proportion equation
304.30 : 456.14 = 149.99 : x - Step 2: Convert to fraction form
304.30/456.14 = 149.99/x - Step 3: Cross multiply
304.30x = 456.14 × 149.99 - Step 4: Simplify right side
304.30x = 68,417.95 - Step 5: Solve for x
x = 68,417.95/304.30 - Step 6: Final answer
x = 224.84
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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.