Finding the Fourth Proportional to 383.99, 577.35 and 201.74
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Solution
The fourth proportional to 383.99, 577.35 and 201.74 is: 303.32
Step by Step Solution
- Step 1: Write the proportion equation
383.99 : 577.35 = 201.74 : x - Step 2: Convert to fraction form
383.99/577.35 = 201.74/x - Step 3: Cross multiply
383.99x = 577.35 × 201.74 - Step 4: Simplify right side
383.99x = 116,471.70 - Step 5: Solve for x
x = 116,471.70/383.99 - Step 6: Final answer
x = 303.32
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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.