Finding the Fourth Proportional to 444.22, 612.99 and 257.69
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Solution
The fourth proportional to 444.22, 612.99 and 257.69 is: 355.60
Step by Step Solution
- Step 1: Write the proportion equation
444.22 : 612.99 = 257.69 : x - Step 2: Convert to fraction form
444.22/612.99 = 257.69/x - Step 3: Cross multiply
444.22x = 612.99 × 257.69 - Step 4: Simplify right side
444.22x = 157,962.93 - Step 5: Solve for x
x = 157,962.93/444.22 - Step 6: Final answer
x = 355.60
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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.