Finding the Fourth Proportional to 528, 792 and 224
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Solution
The fourth proportional to 528, 792 and 224 is: 336
Step by Step Solution
- Step 1: Write the proportion equation
528 : 792 = 224 : x - Step 2: Convert to fraction form
528/792 = 224/x - Step 3: Cross multiply
528x = 792 × 224 - Step 4: Simplify right side
528x = 177,408 - Step 5: Solve for x
x = 177,408/528 - Step 6: Final answer
x = 336
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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.