Finding the Fourth Proportional to 373.26, 515.10 and 207.49
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Solution
The fourth proportional to 373.26, 515.10 and 207.49 is: 286.34
Step by Step Solution
- Step 1: Write the proportion equation
373.26 : 515.10 = 207.49 : x - Step 2: Convert to fraction form
373.26/515.10 = 207.49/x - Step 3: Cross multiply
373.26x = 515.10 × 207.49 - Step 4: Simplify right side
373.26x = 106,878.10 - Step 5: Solve for x
x = 106,878.10/373.26 - Step 6: Final answer
x = 286.34
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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.