Finding the Fourth Proportional to 444.05, 612.74 and 266.99
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Solution
The fourth proportional to 444.05, 612.74 and 266.99 is: 368.41
Step by Step Solution
- Step 1: Write the proportion equation
444.05 : 612.74 = 266.99 : x - Step 2: Convert to fraction form
444.05/612.74 = 266.99/x - Step 3: Cross multiply
444.05x = 612.74 × 266.99 - Step 4: Simplify right side
444.05x = 163,593.06 - Step 5: Solve for x
x = 163,593.06/444.05 - Step 6: Final answer
x = 368.41
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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.