Finding the Fourth Proportional to 370.98, 511.93 and 205.19
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Solution
The fourth proportional to 370.98, 511.93 and 205.19 is: 283.15
Step by Step Solution
- Step 1: Write the proportion equation
370.98 : 511.93 = 205.19 : x - Step 2: Convert to fraction form
370.98/511.93 = 205.19/x - Step 3: Cross multiply
370.98x = 511.93 × 205.19 - Step 4: Simplify right side
370.98x = 105,040.36 - Step 5: Solve for x
x = 105,040.36/370.98 - Step 6: Final answer
x = 283.15
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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.