Finding the Fourth Proportional to 444.09, 613.14 and 313.26
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Solution
The fourth proportional to 444.09, 613.14 and 313.26 is: 432.51
Step by Step Solution
- Step 1: Write the proportion equation
444.09 : 613.14 = 313.26 : x - Step 2: Convert to fraction form
444.09/613.14 = 313.26/x - Step 3: Cross multiply
444.09x = 613.14 × 313.26 - Step 4: Simplify right side
444.09x = 192,072.24 - Step 5: Solve for x
x = 192,072.24/444.09 - Step 6: Final answer
x = 432.51
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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.