Finding the Fourth Proportional to 133.97, 184.97 and 84.26
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Solution
The fourth proportional to 133.97, 184.97 and 84.26 is: 116.34
Step by Step Solution
- Step 1: Write the proportion equation
133.97 : 184.97 = 84.26 : x - Step 2: Convert to fraction form
133.97/184.97 = 84.26/x - Step 3: Cross multiply
133.97x = 184.97 × 84.26 - Step 4: Simplify right side
133.97x = 15,585.57 - Step 5: Solve for x
x = 15,585.57/133.97 - Step 6: Final answer
x = 116.34
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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.