Finding the Fourth Proportional to 267.23, 368.81 and 168.99
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Solution
The fourth proportional to 267.23, 368.81 and 168.99 is: 233.23
Step by Step Solution
- Step 1: Write the proportion equation
267.23 : 368.81 = 168.99 : x - Step 2: Convert to fraction form
267.23/368.81 = 168.99/x - Step 3: Cross multiply
267.23x = 368.81 × 168.99 - Step 4: Simplify right side
267.23x = 62,324.36 - Step 5: Solve for x
x = 62,324.36/267.23 - Step 6: Final answer
x = 233.23
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.