Finding the Fourth Proportional to 267.68, 400.93 and 228.71
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Solution
The fourth proportional to 267.68, 400.93 and 228.71 is: 342.56
Step by Step Solution
- Step 1: Write the proportion equation
267.68 : 400.93 = 228.71 : x - Step 2: Convert to fraction form
267.68/400.93 = 228.71/x - Step 3: Cross multiply
267.68x = 400.93 × 228.71 - Step 4: Simplify right side
267.68x = 91,697.13 - Step 5: Solve for x
x = 91,697.13/267.68 - Step 6: Final answer
x = 342.56
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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.