Finding the Fourth Proportional to 58.04, 80.09 and 36.19
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Solution
The fourth proportional to 58.04, 80.09 and 36.19 is: 49.94
Step by Step Solution
- Step 1: Write the proportion equation
58.04 : 80.09 = 36.19 : x - Step 2: Convert to fraction form
58.04/80.09 = 36.19/x - Step 3: Cross multiply
58.04x = 80.09 × 36.19 - Step 4: Simplify right side
58.04x = 2,898.08 - Step 5: Solve for x
x = 2,898.08/58.04 - Step 6: Final answer
x = 49.94
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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.