Finding the Fourth Proportional to 373.45, 515.36 and 207.68
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Solution
The fourth proportional to 373.45, 515.36 and 207.68 is: 286.59
Step by Step Solution
- Step 1: Write the proportion equation
373.45 : 515.36 = 207.68 : x - Step 2: Convert to fraction form
373.45/515.36 = 207.68/x - Step 3: Cross multiply
373.45x = 515.36 × 207.68 - Step 4: Simplify right side
373.45x = 107,028.19 - Step 5: Solve for x
x = 107,028.19/373.45 - Step 6: Final answer
x = 286.59
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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.