Finding the Fourth Proportional to 348.23, 479.98 and 254.99
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Solution
The fourth proportional to 348.23, 479.98 and 254.99 is: 351.46
Step by Step Solution
- Step 1: Write the proportion equation
348.23 : 479.98 = 254.99 : x - Step 2: Convert to fraction form
348.23/479.98 = 254.99/x - Step 3: Cross multiply
348.23x = 479.98 × 254.99 - Step 4: Simplify right side
348.23x = 122,390.10 - Step 5: Solve for x
x = 122,390.10/348.23 - Step 6: Final answer
x = 351.46
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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.