Finding the Fourth Proportional to 239.99, 330.75 and 184.80
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Solution
The fourth proportional to 239.99, 330.75 and 184.80 is: 254.69
Step by Step Solution
- Step 1: Write the proportion equation
239.99 : 330.75 = 184.80 : x - Step 2: Convert to fraction form
239.99/330.75 = 184.80/x - Step 3: Cross multiply
239.99x = 330.75 × 184.80 - Step 4: Simplify right side
239.99x = 61,122.60 - Step 5: Solve for x
x = 61,122.60/239.99 - Step 6: Final answer
x = 254.69
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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.