Finding the Fourth Proportional to 371.18, 511.97 and 240.23
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Solution
The fourth proportional to 371.18, 511.97 and 240.23 is: 331.34
Step by Step Solution
- Step 1: Write the proportion equation
371.18 : 511.97 = 240.23 : x - Step 2: Convert to fraction form
371.18/511.97 = 240.23/x - Step 3: Cross multiply
371.18x = 511.97 × 240.23 - Step 4: Simplify right side
371.18x = 122,986.79 - Step 5: Solve for x
x = 122,986.79/371.18 - Step 6: Final answer
x = 331.34
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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.