Finding the Fourth Proportional to 358.61, 537.44 and 193.88
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Solution
The fourth proportional to 358.61, 537.44 and 193.88 is: 290.57
Step by Step Solution
- Step 1: Write the proportion equation
358.61 : 537.44 = 193.88 : x - Step 2: Convert to fraction form
358.61/537.44 = 193.88/x - Step 3: Cross multiply
358.61x = 537.44 × 193.88 - Step 4: Simplify right side
358.61x = 104,199.24 - Step 5: Solve for x
x = 104,199.24/358.61 - Step 6: Final answer
x = 290.57
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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.