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Finding the Fourth Proportional to 446.40, 667 and 341.67

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Solution

The fourth proportional to 446.40, 667 and 341.67 is: 510.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    446.40 : 667 = 341.67 : x
  2. Step 2: Convert to fraction form
    446.40/667 = 341.67/x
  3. Step 3: Cross multiply
    446.40x = 667 × 341.67
  4. Step 4: Simplify right side
    446.40x = 227,893.89
  5. Step 5: Solve for x
    x = 227,893.89/446.40
  6. Step 6: Final answer
    x = 510.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.