Finding the Fourth Proportional to 305.12, 457.11 and 201.84
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Solution
The fourth proportional to 305.12, 457.11 and 201.84 is: 302.39
Step by Step Solution
- Step 1: Write the proportion equation
305.12 : 457.11 = 201.84 : x - Step 2: Convert to fraction form
305.12/457.11 = 201.84/x - Step 3: Cross multiply
305.12x = 457.11 × 201.84 - Step 4: Simplify right side
305.12x = 92,263.08 - Step 5: Solve for x
x = 92,263.08/305.12 - Step 6: Final answer
x = 302.39
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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.