Finding the Fourth Proportional to 145.84, 201.23 and 130.23
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Solution
The fourth proportional to 145.84, 201.23 and 130.23 is: 179.69
Step by Step Solution
- Step 1: Write the proportion equation
145.84 : 201.23 = 130.23 : x - Step 2: Convert to fraction form
145.84/201.23 = 130.23/x - Step 3: Cross multiply
145.84x = 201.23 × 130.23 - Step 4: Simplify right side
145.84x = 26,206.18 - Step 5: Solve for x
x = 26,206.18/145.84 - Step 6: Final answer
x = 179.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.