Finding the Fourth Proportional to 367.76, 507.50 and 201.99
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Solution
The fourth proportional to 367.76, 507.50 and 201.99 is: 278.75
Step by Step Solution
- Step 1: Write the proportion equation
367.76 : 507.50 = 201.99 : x - Step 2: Convert to fraction form
367.76/507.50 = 201.99/x - Step 3: Cross multiply
367.76x = 507.50 × 201.99 - Step 4: Simplify right side
367.76x = 102,509.93 - Step 5: Solve for x
x = 102,509.93/367.76 - Step 6: Final answer
x = 278.75
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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.