Finding the Fourth Proportional to 447.08, 616.99 and 281.23
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Solution
The fourth proportional to 447.08, 616.99 and 281.23 is: 388.11
Step by Step Solution
- Step 1: Write the proportion equation
447.08 : 616.99 = 281.23 : x - Step 2: Convert to fraction form
447.08/616.99 = 281.23/x - Step 3: Cross multiply
447.08x = 616.99 × 281.23 - Step 4: Simplify right side
447.08x = 173,516.10 - Step 5: Solve for x
x = 173,516.10/447.08 - Step 6: Final answer
x = 388.11
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.