Finding the Fourth Proportional to 358.96, 538.74 and 356.26
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Solution
The fourth proportional to 358.96, 538.74 and 356.26 is: 534.69
Step by Step Solution
- Step 1: Write the proportion equation
358.96 : 538.74 = 356.26 : x - Step 2: Convert to fraction form
358.96/538.74 = 356.26/x - Step 3: Cross multiply
358.96x = 538.74 × 356.26 - Step 4: Simplify right side
358.96x = 191,931.51 - Step 5: Solve for x
x = 191,931.51/358.96 - Step 6: Final answer
x = 534.69
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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.