Finding the Fourth Proportional to 152.21, 228.30 and 44.00
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Solution
The fourth proportional to 152.21, 228.30 and 44.00 is: 65.99
Step by Step Solution
- Step 1: Write the proportion equation
152.21 : 228.30 = 44.00 : x - Step 2: Convert to fraction form
152.21/228.30 = 44.00/x - Step 3: Cross multiply
152.21x = 228.30 × 44.00 - Step 4: Simplify right side
152.21x = 10,044.06 - Step 5: Solve for x
x = 10,044.06/152.21 - Step 6: Final answer
x = 65.99
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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.