Finding the Fourth Proportional to 373.25, 515.11 and 207.48
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Solution
The fourth proportional to 373.25, 515.11 and 207.48 is: 286.33
Step by Step Solution
- Step 1: Write the proportion equation
373.25 : 515.11 = 207.48 : x - Step 2: Convert to fraction form
373.25/515.11 = 207.48/x - Step 3: Cross multiply
373.25x = 515.11 × 207.48 - Step 4: Simplify right side
373.25x = 106,873.99 - Step 5: Solve for x
x = 106,873.99/373.25 - Step 6: Final answer
x = 286.33
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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.