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Finding the Fourth Proportional to 956.24, 1,433.98 and 401

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Solution

The fourth proportional to 956.24, 1,433.98 and 401 is: 601.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    956.24 : 1,433.98 = 401 : x
  2. Step 2: Convert to fraction form
    956.24/1,433.98 = 401/x
  3. Step 3: Cross multiply
    956.24x = 1,433.98 × 401
  4. Step 4: Simplify right side
    956.24x = 575,025.98
  5. Step 5: Solve for x
    x = 575,025.98/956.24
  6. Step 6: Final answer
    x = 601.34

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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.