Finding the Fourth Proportional to 358.68, 537.87 and 163.74
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Solution
The fourth proportional to 358.68, 537.87 and 163.74 is: 245.54
Step by Step Solution
- Step 1: Write the proportion equation
358.68 : 537.87 = 163.74 : x - Step 2: Convert to fraction form
358.68/537.87 = 163.74/x - Step 3: Cross multiply
358.68x = 537.87 × 163.74 - Step 4: Simplify right side
358.68x = 88,070.83 - Step 5: Solve for x
x = 88,070.83/358.68 - Step 6: Final answer
x = 245.54
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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.