Finding the Fourth Proportional to 416.84, 625.41 and 170.19
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Solution
The fourth proportional to 416.84, 625.41 and 170.19 is: 255.35
Step by Step Solution
- Step 1: Write the proportion equation
416.84 : 625.41 = 170.19 : x - Step 2: Convert to fraction form
416.84/625.41 = 170.19/x - Step 3: Cross multiply
416.84x = 625.41 × 170.19 - Step 4: Simplify right side
416.84x = 106,438.53 - Step 5: Solve for x
x = 106,438.53/416.84 - Step 6: Final answer
x = 255.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.