Finding the Fourth Proportional to 465.28, 697.50 and 282.76
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Solution
The fourth proportional to 465.28, 697.50 and 282.76 is: 423.88
Step by Step Solution
- Step 1: Write the proportion equation
465.28 : 697.50 = 282.76 : x - Step 2: Convert to fraction form
465.28/697.50 = 282.76/x - Step 3: Cross multiply
465.28x = 697.50 × 282.76 - Step 4: Simplify right side
465.28x = 197,225.10 - Step 5: Solve for x
x = 197,225.10/465.28 - Step 6: Final answer
x = 423.88
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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.