Finding the Fourth Proportional to 349.08, 523.21 and 202.91
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Solution
The fourth proportional to 349.08, 523.21 and 202.91 is: 304.11
Step by Step Solution
- Step 1: Write the proportion equation
349.08 : 523.21 = 202.91 : x - Step 2: Convert to fraction form
349.08/523.21 = 202.91/x - Step 3: Cross multiply
349.08x = 523.21 × 202.91 - Step 4: Simplify right side
349.08x = 106,161.80 - Step 5: Solve for x
x = 106,161.80/349.08 - Step 6: Final answer
x = 304.11
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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.