Finding the Fourth Proportional to 130.14, 195.26 and 48.99
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Solution
The fourth proportional to 130.14, 195.26 and 48.99 is: 73.50
Step by Step Solution
- Step 1: Write the proportion equation
130.14 : 195.26 = 48.99 : x - Step 2: Convert to fraction form
130.14/195.26 = 48.99/x - Step 3: Cross multiply
130.14x = 195.26 × 48.99 - Step 4: Simplify right side
130.14x = 9,565.79 - Step 5: Solve for x
x = 9,565.79/130.14 - Step 6: Final answer
x = 73.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.