Finding the Fourth Proportional to 551.97, 828.07 and 448.99
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Solution
The fourth proportional to 551.97, 828.07 and 448.99 is: 673.57
Step by Step Solution
- Step 1: Write the proportion equation
551.97 : 828.07 = 448.99 : x - Step 2: Convert to fraction form
551.97/828.07 = 448.99/x - Step 3: Cross multiply
551.97x = 828.07 × 448.99 - Step 4: Simplify right side
551.97x = 371,791.96 - Step 5: Solve for x
x = 371,791.96/551.97 - Step 6: Final answer
x = 673.57
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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.