Finding the Fourth Proportional to 344.23, 474.99 and 204.30
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Solution
The fourth proportional to 344.23, 474.99 and 204.30 is: 281.91
Step by Step Solution
- Step 1: Write the proportion equation
344.23 : 474.99 = 204.30 : x - Step 2: Convert to fraction form
344.23/474.99 = 204.30/x - Step 3: Cross multiply
344.23x = 474.99 × 204.30 - Step 4: Simplify right side
344.23x = 97,040.46 - Step 5: Solve for x
x = 97,040.46/344.23 - Step 6: Final answer
x = 281.91
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.