Finding the Fourth Proportional to 385.99, 577.94 and 202.99
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Solution
The fourth proportional to 385.99, 577.94 and 202.99 is: 303.93
Step by Step Solution
- Step 1: Write the proportion equation
385.99 : 577.94 = 202.99 : x - Step 2: Convert to fraction form
385.99/577.94 = 202.99/x - Step 3: Cross multiply
385.99x = 577.94 × 202.99 - Step 4: Simplify right side
385.99x = 117,315.03 - Step 5: Solve for x
x = 117,315.03/385.99 - Step 6: Final answer
x = 303.93
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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.