Finding the Fourth Proportional to 358.10, 537.14 and 193.64
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Solution
The fourth proportional to 358.10, 537.14 and 193.64 is: 290.45
Step by Step Solution
- Step 1: Write the proportion equation
358.10 : 537.14 = 193.64 : x - Step 2: Convert to fraction form
358.10/537.14 = 193.64/x - Step 3: Cross multiply
358.10x = 537.14 × 193.64 - Step 4: Simplify right side
358.10x = 104,011.79 - Step 5: Solve for x
x = 104,011.79/358.10 - Step 6: Final answer
x = 290.45
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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.