Finding the Fourth Proportional to 371.19, 511.18 and 370.08
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Solution
The fourth proportional to 371.19, 511.18 and 370.08 is: 509.65
Step by Step Solution
- Step 1: Write the proportion equation
371.19 : 511.18 = 370.08 : x - Step 2: Convert to fraction form
371.19/511.18 = 370.08/x - Step 3: Cross multiply
371.19x = 511.18 × 370.08 - Step 4: Simplify right side
371.19x = 189,177.49 - Step 5: Solve for x
x = 189,177.49/371.19 - Step 6: Final answer
x = 509.65
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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.