Finding the Fourth Proportional to 371.01, 511.91 and 239.99
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Solution
The fourth proportional to 371.01, 511.91 and 239.99 is: 331.13
Step by Step Solution
- Step 1: Write the proportion equation
371.01 : 511.91 = 239.99 : x - Step 2: Convert to fraction form
371.01/511.91 = 239.99/x - Step 3: Cross multiply
371.01x = 511.91 × 239.99 - Step 4: Simplify right side
371.01x = 122,853.36 - Step 5: Solve for x
x = 122,853.36/371.01 - Step 6: Final answer
x = 331.13
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.