Finding the Fourth Proportional to 133.13, 199.24 and 79.06
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Solution
The fourth proportional to 133.13, 199.24 and 79.06 is: 118.32
Step by Step Solution
- Step 1: Write the proportion equation
133.13 : 199.24 = 79.06 : x - Step 2: Convert to fraction form
133.13/199.24 = 79.06/x - Step 3: Cross multiply
133.13x = 199.24 × 79.06 - Step 4: Simplify right side
133.13x = 15,751.91 - Step 5: Solve for x
x = 15,751.91/133.13 - Step 6: Final answer
x = 118.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.