Finding the Fourth Proportional to 358.14, 493.73 and 252.91
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Solution
The fourth proportional to 358.14, 493.73 and 252.91 is: 348.66
Step by Step Solution
- Step 1: Write the proportion equation
358.14 : 493.73 = 252.91 : x - Step 2: Convert to fraction form
358.14/493.73 = 252.91/x - Step 3: Cross multiply
358.14x = 493.73 × 252.91 - Step 4: Simplify right side
358.14x = 124,869.25 - Step 5: Solve for x
x = 124,869.25/358.14 - Step 6: Final answer
x = 348.66
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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.