Finding the Fourth Proportional to 202.25, 278.99 and 132.33
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Solution
The fourth proportional to 202.25, 278.99 and 132.33 is: 182.55
Step by Step Solution
- Step 1: Write the proportion equation
202.25 : 278.99 = 132.33 : x - Step 2: Convert to fraction form
202.25/278.99 = 132.33/x - Step 3: Cross multiply
202.25x = 278.99 × 132.33 - Step 4: Simplify right side
202.25x = 36,920.37 - Step 5: Solve for x
x = 36,920.37/202.25 - Step 6: Final answer
x = 182.55
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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.