Finding the Fourth Proportional to 288.99, 433.24 and 134.84
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Solution
The fourth proportional to 288.99, 433.24 and 134.84 is: 202.14
Step by Step Solution
- Step 1: Write the proportion equation
288.99 : 433.24 = 134.84 : x - Step 2: Convert to fraction form
288.99/433.24 = 134.84/x - Step 3: Cross multiply
288.99x = 433.24 × 134.84 - Step 4: Simplify right side
288.99x = 58,415.92 - Step 5: Solve for x
x = 58,415.92/288.99 - Step 6: Final answer
x = 202.14
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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.