Finding the Fourth Proportional to 305.45, 457.79 and 150.99
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Solution
The fourth proportional to 305.45, 457.79 and 150.99 is: 226.29
Step by Step Solution
- Step 1: Write the proportion equation
305.45 : 457.79 = 150.99 : x - Step 2: Convert to fraction form
305.45/457.79 = 150.99/x - Step 3: Cross multiply
305.45x = 457.79 × 150.99 - Step 4: Simplify right side
305.45x = 69,121.71 - Step 5: Solve for x
x = 69,121.71/305.45 - Step 6: Final answer
x = 226.29
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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.