Finding the Fourth Proportional to 358.68, 494.99 and 211.33
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Solution
The fourth proportional to 358.68, 494.99 and 211.33 is: 291.64
Step by Step Solution
- Step 1: Write the proportion equation
358.68 : 494.99 = 211.33 : x - Step 2: Convert to fraction form
358.68/494.99 = 211.33/x - Step 3: Cross multiply
358.68x = 494.99 × 211.33 - Step 4: Simplify right side
358.68x = 104,606.24 - Step 5: Solve for x
x = 104,606.24/358.68 - Step 6: Final answer
x = 291.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.