Finding the Fourth Proportional to 445.14, 614.19 and 268.08
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Solution
The fourth proportional to 445.14, 614.19 and 268.08 is: 369.89
Step by Step Solution
- Step 1: Write the proportion equation
445.14 : 614.19 = 268.08 : x - Step 2: Convert to fraction form
445.14/614.19 = 268.08/x - Step 3: Cross multiply
445.14x = 614.19 × 268.08 - Step 4: Simplify right side
445.14x = 164,652.06 - Step 5: Solve for x
x = 164,652.06/445.14 - Step 6: Final answer
x = 369.89
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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.