Finding the Fourth Proportional to 205.83, 283.97 and 135.95
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Solution
The fourth proportional to 205.83, 283.97 and 135.95 is: 187.55
Step by Step Solution
- Step 1: Write the proportion equation
205.83 : 283.97 = 135.95 : x - Step 2: Convert to fraction form
205.83/283.97 = 135.95/x - Step 3: Cross multiply
205.83x = 283.97 × 135.95 - Step 4: Simplify right side
205.83x = 38,603.62 - Step 5: Solve for x
x = 38,603.62/205.83 - Step 6: Final answer
x = 187.55
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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.