Finding the Fourth Proportional to 382.91, 529.04 and 266.99
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Solution
The fourth proportional to 382.91, 529.04 and 266.99 is: 368.88
Step by Step Solution
- Step 1: Write the proportion equation
382.91 : 529.04 = 266.99 : x - Step 2: Convert to fraction form
382.91/529.04 = 266.99/x - Step 3: Cross multiply
382.91x = 529.04 × 266.99 - Step 4: Simplify right side
382.91x = 141,247.05 - Step 5: Solve for x
x = 141,247.05/382.91 - Step 6: Final answer
x = 368.88
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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.