Finding the Fourth Proportional to 296.97, 444.74 and 256.65
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Solution
The fourth proportional to 296.97, 444.74 and 256.65 is: 384.35
Step by Step Solution
- Step 1: Write the proportion equation
296.97 : 444.74 = 256.65 : x - Step 2: Convert to fraction form
296.97/444.74 = 256.65/x - Step 3: Cross multiply
296.97x = 444.74 × 256.65 - Step 4: Simplify right side
296.97x = 114,141.24 - Step 5: Solve for x
x = 114,141.24/296.97 - Step 6: Final answer
x = 384.35
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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.