Finding the Fourth Proportional to 130.00, 194.95 and 38.67
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Solution
The fourth proportional to 130.00, 194.95 and 38.67 is: 57.99
Step by Step Solution
- Step 1: Write the proportion equation
130.00 : 194.95 = 38.67 : x - Step 2: Convert to fraction form
130.00/194.95 = 38.67/x - Step 3: Cross multiply
130.00x = 194.95 × 38.67 - Step 4: Simplify right side
130.00x = 7,538.72 - Step 5: Solve for x
x = 7,538.72/130.00 - Step 6: Final answer
x = 57.99
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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.