Finding the Fourth Proportional to 358.68, 494.93 and 211.26
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Solution
The fourth proportional to 358.68, 494.93 and 211.26 is: 291.51
Step by Step Solution
- Step 1: Write the proportion equation
358.68 : 494.93 = 211.26 : x - Step 2: Convert to fraction form
358.68/494.93 = 211.26/x - Step 3: Cross multiply
358.68x = 494.93 × 211.26 - Step 4: Simplify right side
358.68x = 104,559.44 - Step 5: Solve for x
x = 104,559.44/358.68 - Step 6: Final answer
x = 291.51
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.