Finding the Fourth Proportional to 435.24, 652.36 and 203.77
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Solution
The fourth proportional to 435.24, 652.36 and 203.77 is: 305.42
Step by Step Solution
- Step 1: Write the proportion equation
435.24 : 652.36 = 203.77 : x - Step 2: Convert to fraction form
435.24/652.36 = 203.77/x - Step 3: Cross multiply
435.24x = 652.36 × 203.77 - Step 4: Simplify right side
435.24x = 132,931.40 - Step 5: Solve for x
x = 132,931.40/435.24 - Step 6: Final answer
x = 305.42
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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.