Finding the Fourth Proportional to 224.32, 336 and 221.86
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Solution
The fourth proportional to 224.32, 336 and 221.86 is: 332.32
Step by Step Solution
- Step 1: Write the proportion equation
224.32 : 336 = 221.86 : x - Step 2: Convert to fraction form
224.32/336 = 221.86/x - Step 3: Cross multiply
224.32x = 336 × 221.86 - Step 4: Simplify right side
224.32x = 74,544.96 - Step 5: Solve for x
x = 74,544.96/224.32 - Step 6: Final answer
x = 332.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.