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Finding the Fourth Proportional to 635.24, 954.45 and 404.23

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Solution

The fourth proportional to 635.24, 954.45 and 404.23 is: 607.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    635.24 : 954.45 = 404.23 : x
  2. Step 2: Convert to fraction form
    635.24/954.45 = 404.23/x
  3. Step 3: Cross multiply
    635.24x = 954.45 × 404.23
  4. Step 4: Simplify right side
    635.24x = 385,814.94
  5. Step 5: Solve for x
    x = 385,814.94/635.24
  6. Step 6: Final answer
    x = 607.36

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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.