Finding the Fourth Proportional to 344.11, 515.91 and 207.13
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Solution
The fourth proportional to 344.11, 515.91 and 207.13 is: 310.53
Step by Step Solution
- Step 1: Write the proportion equation
344.11 : 515.91 = 207.13 : x - Step 2: Convert to fraction form
344.11/515.91 = 207.13/x - Step 3: Cross multiply
344.11x = 515.91 × 207.13 - Step 4: Simplify right side
344.11x = 106,858.18 - Step 5: Solve for x
x = 106,858.18/344.11 - Step 6: Final answer
x = 310.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.