Finding the Fourth Proportional to 409.44, 612.95 and 246.63
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Solution
The fourth proportional to 409.44, 612.95 and 246.63 is: 369.21
Step by Step Solution
- Step 1: Write the proportion equation
409.44 : 612.95 = 246.63 : x - Step 2: Convert to fraction form
409.44/612.95 = 246.63/x - Step 3: Cross multiply
409.44x = 612.95 × 246.63 - Step 4: Simplify right side
409.44x = 151,170.63 - Step 5: Solve for x
x = 151,170.63/409.44 - Step 6: Final answer
x = 369.21
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.