Finding the Fourth Proportional to 58.41, 80.58 and 41.80
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Solution
The fourth proportional to 58.41, 80.58 and 41.80 is: 57.66
Step by Step Solution
- Step 1: Write the proportion equation
58.41 : 80.58 = 41.80 : x - Step 2: Convert to fraction form
58.41/80.58 = 41.80/x - Step 3: Cross multiply
58.41x = 80.58 × 41.80 - Step 4: Simplify right side
58.41x = 3,368.12 - Step 5: Solve for x
x = 3,368.12/58.41 - Step 6: Final answer
x = 57.66
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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.