Finding the Fourth Proportional to 188.93, 283.40 and 51.99
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Solution
The fourth proportional to 188.93, 283.40 and 51.99 is: 77.99
Step by Step Solution
- Step 1: Write the proportion equation
188.93 : 283.40 = 51.99 : x - Step 2: Convert to fraction form
188.93/283.40 = 51.99/x - Step 3: Cross multiply
188.93x = 283.40 × 51.99 - Step 4: Simplify right side
188.93x = 14,733.97 - Step 5: Solve for x
x = 14,733.97/188.93 - Step 6: Final answer
x = 77.99
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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.