Finding the Fourth Proportional to 130.20, 195.26 and 58.02
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Solution
The fourth proportional to 130.20, 195.26 and 58.02 is: 87.01
Step by Step Solution
- Step 1: Write the proportion equation
130.20 : 195.26 = 58.02 : x - Step 2: Convert to fraction form
130.20/195.26 = 58.02/x - Step 3: Cross multiply
130.20x = 195.26 × 58.02 - Step 4: Simplify right side
130.20x = 11,328.99 - Step 5: Solve for x
x = 11,328.99/130.20 - Step 6: Final answer
x = 87.01
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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.