Finding the Fourth Proportional to 152.35, 228.49 and 61.02
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Solution
The fourth proportional to 152.35, 228.49 and 61.02 is: 91.52
Step by Step Solution
- Step 1: Write the proportion equation
152.35 : 228.49 = 61.02 : x - Step 2: Convert to fraction form
152.35/228.49 = 61.02/x - Step 3: Cross multiply
152.35x = 228.49 × 61.02 - Step 4: Simplify right side
152.35x = 13,942.31 - Step 5: Solve for x
x = 13,942.31/152.35 - Step 6: Final answer
x = 91.52
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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.