Finding the Fourth Proportional to 130.37, 179.99 and 88.99
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Solution
The fourth proportional to 130.37, 179.99 and 88.99 is: 122.86
Step by Step Solution
- Step 1: Write the proportion equation
130.37 : 179.99 = 88.99 : x - Step 2: Convert to fraction form
130.37/179.99 = 88.99/x - Step 3: Cross multiply
130.37x = 179.99 × 88.99 - Step 4: Simplify right side
130.37x = 16,017.31 - Step 5: Solve for x
x = 16,017.31/130.37 - Step 6: Final answer
x = 122.86
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.