Finding the Fourth Proportional to 344.10, 515.70 and 190.08
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Solution
The fourth proportional to 344.10, 515.70 and 190.08 is: 284.87
Step by Step Solution
- Step 1: Write the proportion equation
344.10 : 515.70 = 190.08 : x - Step 2: Convert to fraction form
344.10/515.70 = 190.08/x - Step 3: Cross multiply
344.10x = 515.70 × 190.08 - Step 4: Simplify right side
344.10x = 98,024.26 - Step 5: Solve for x
x = 98,024.26/344.10 - Step 6: Final answer
x = 284.87
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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.