Finding the Fourth Proportional to 79.96, 110.08 and 58.10
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Solution
The fourth proportional to 79.96, 110.08 and 58.10 is: 79.99
Step by Step Solution
- Step 1: Write the proportion equation
79.96 : 110.08 = 58.10 : x - Step 2: Convert to fraction form
79.96/110.08 = 58.10/x - Step 3: Cross multiply
79.96x = 110.08 × 58.10 - Step 4: Simplify right side
79.96x = 6,395.65 - Step 5: Solve for x
x = 6,395.65/79.96 - Step 6: Final answer
x = 79.99
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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.