Finding the Fourth Proportional to 355.24, 533.07 and 149.79
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Solution
The fourth proportional to 355.24, 533.07 and 149.79 is: 224.77
Step by Step Solution
- Step 1: Write the proportion equation
355.24 : 533.07 = 149.79 : x - Step 2: Convert to fraction form
355.24/533.07 = 149.79/x - Step 3: Cross multiply
355.24x = 533.07 × 149.79 - Step 4: Simplify right side
355.24x = 79,847.81 - Step 5: Solve for x
x = 79,847.81/355.24 - Step 6: Final answer
x = 224.77
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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.