Finding the Fourth Proportional to 383.84, 575.36 and 201.28
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Solution
The fourth proportional to 383.84, 575.36 and 201.28 is: 301.71
Step by Step Solution
- Step 1: Write the proportion equation
383.84 : 575.36 = 201.28 : x - Step 2: Convert to fraction form
383.84/575.36 = 201.28/x - Step 3: Cross multiply
383.84x = 575.36 × 201.28 - Step 4: Simplify right side
383.84x = 115,808.46 - Step 5: Solve for x
x = 115,808.46/383.84 - Step 6: Final answer
x = 301.71
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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.