Finding the Fourth Proportional to 417.24, 628.26 and 344.81
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Solution
The fourth proportional to 417.24, 628.26 and 344.81 is: 519.19
Step by Step Solution
- Step 1: Write the proportion equation
417.24 : 628.26 = 344.81 : x - Step 2: Convert to fraction form
417.24/628.26 = 344.81/x - Step 3: Cross multiply
417.24x = 628.26 × 344.81 - Step 4: Simplify right side
417.24x = 216,627.19 - Step 5: Solve for x
x = 216,627.19/417.24 - Step 6: Final answer
x = 519.19
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.