Finding the Fourth Proportional to 404.10, 606.06 and 130.05
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Solution
The fourth proportional to 404.10, 606.06 and 130.05 is: 195.05
Step by Step Solution
- Step 1: Write the proportion equation
404.10 : 606.06 = 130.05 : x - Step 2: Convert to fraction form
404.10/606.06 = 130.05/x - Step 3: Cross multiply
404.10x = 606.06 × 130.05 - Step 4: Simplify right side
404.10x = 78,818.10 - Step 5: Solve for x
x = 78,818.10/404.10 - Step 6: Final answer
x = 195.05
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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.