Finding the Fourth Proportional to 53.17, 80.06 and 46.49
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Solution
The fourth proportional to 53.17, 80.06 and 46.49 is: 69.99
Step by Step Solution
- Step 1: Write the proportion equation
53.17 : 80.06 = 46.49 : x - Step 2: Convert to fraction form
53.17/80.06 = 46.49/x - Step 3: Cross multiply
53.17x = 80.06 × 46.49 - Step 4: Simplify right side
53.17x = 3,721.36 - Step 5: Solve for x
x = 3,721.36/53.17 - Step 6: Final answer
x = 69.99
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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.