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Finding the Fourth Proportional to 461.18, 690.99 and 444.14

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Solution

The fourth proportional to 461.18, 690.99 and 444.14 is: 665.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    461.18 : 690.99 = 444.14 : x
  2. Step 2: Convert to fraction form
    461.18/690.99 = 444.14/x
  3. Step 3: Cross multiply
    461.18x = 690.99 × 444.14
  4. Step 4: Simplify right side
    461.18x = 306,896.30
  5. Step 5: Solve for x
    x = 306,896.30/461.18
  6. Step 6: Final answer
    x = 665.46

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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.