Finding the Fourth Proportional to 407.18, 610.76 and 201.14
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Solution
The fourth proportional to 407.18, 610.76 and 201.14 is: 301.70
Step by Step Solution
- Step 1: Write the proportion equation
407.18 : 610.76 = 201.14 : x - Step 2: Convert to fraction form
407.18/610.76 = 201.14/x - Step 3: Cross multiply
407.18x = 610.76 × 201.14 - Step 4: Simplify right side
407.18x = 122,844.21 - Step 5: Solve for x
x = 122,844.21/407.18 - Step 6: Final answer
x = 301.70
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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.