Finding the Fourth Proportional to 349.34, 523.74 and 186.95
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Solution
The fourth proportional to 349.34, 523.74 and 186.95 is: 280.28
Step by Step Solution
- Step 1: Write the proportion equation
349.34 : 523.74 = 186.95 : x - Step 2: Convert to fraction form
349.34/523.74 = 186.95/x - Step 3: Cross multiply
349.34x = 523.74 × 186.95 - Step 4: Simplify right side
349.34x = 97,913.19 - Step 5: Solve for x
x = 97,913.19/349.34 - Step 6: Final answer
x = 280.28
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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.