Finding the Fourth Proportional to 358.46, 537.84 and 306.99
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Solution
The fourth proportional to 358.46, 537.84 and 306.99 is: 460.62
Step by Step Solution
- Step 1: Write the proportion equation
358.46 : 537.84 = 306.99 : x - Step 2: Convert to fraction form
358.46/537.84 = 306.99/x - Step 3: Cross multiply
358.46x = 537.84 × 306.99 - Step 4: Simplify right side
358.46x = 165,111.50 - Step 5: Solve for x
x = 165,111.50/358.46 - Step 6: Final answer
x = 460.62
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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.