Finding the Fourth Proportional to 373.44, 515.36 and 207.65
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Solution
The fourth proportional to 373.44, 515.36 and 207.65 is: 286.56
Step by Step Solution
- Step 1: Write the proportion equation
373.44 : 515.36 = 207.65 : x - Step 2: Convert to fraction form
373.44/515.36 = 207.65/x - Step 3: Cross multiply
373.44x = 515.36 × 207.65 - Step 4: Simplify right side
373.44x = 107,012.24 - Step 5: Solve for x
x = 107,012.24/373.44 - Step 6: Final answer
x = 286.56
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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.