Finding the Fourth Proportional to 276.24, 414.40 and 93.68
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Solution
The fourth proportional to 276.24, 414.40 and 93.68 is: 140.53
Step by Step Solution
- Step 1: Write the proportion equation
276.24 : 414.40 = 93.68 : x - Step 2: Convert to fraction form
276.24/414.40 = 93.68/x - Step 3: Cross multiply
276.24x = 414.40 × 93.68 - Step 4: Simplify right side
276.24x = 38,820.99 - Step 5: Solve for x
x = 38,820.99/276.24 - Step 6: Final answer
x = 140.53
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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.