Finding the Fourth Proportional to 457.08, 630.67 and 260.58
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Solution
The fourth proportional to 457.08, 630.67 and 260.58 is: 359.54
Step by Step Solution
- Step 1: Write the proportion equation
457.08 : 630.67 = 260.58 : x - Step 2: Convert to fraction form
457.08/630.67 = 260.58/x - Step 3: Cross multiply
457.08x = 630.67 × 260.58 - Step 4: Simplify right side
457.08x = 164,339.99 - Step 5: Solve for x
x = 164,339.99/457.08 - Step 6: Final answer
x = 359.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.