Finding the Fourth Proportional to 323.24, 484.95 and 135.70
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Solution
The fourth proportional to 323.24, 484.95 and 135.70 is: 203.59
Step by Step Solution
- Step 1: Write the proportion equation
323.24 : 484.95 = 135.70 : x - Step 2: Convert to fraction form
323.24/484.95 = 135.70/x - Step 3: Cross multiply
323.24x = 484.95 × 135.70 - Step 4: Simplify right side
323.24x = 65,808.84 - Step 5: Solve for x
x = 65,808.84/323.24 - Step 6: Final answer
x = 203.59
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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.