Finding the Fourth Proportional to 541.26, 746.94 and 308.40
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Solution
The fourth proportional to 541.26, 746.94 and 308.40 is: 425.59
Step by Step Solution
- Step 1: Write the proportion equation
541.26 : 746.94 = 308.40 : x - Step 2: Convert to fraction form
541.26/746.94 = 308.40/x - Step 3: Cross multiply
541.26x = 746.94 × 308.40 - Step 4: Simplify right side
541.26x = 230,356.30 - Step 5: Solve for x
x = 230,356.30/541.26 - Step 6: Final answer
x = 425.59
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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.