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Finding the Fourth Proportional to 583.24, 873.78 and 400.12

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Solution

The fourth proportional to 583.24, 873.78 and 400.12 is: 599.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.24 : 873.78 = 400.12 : x
  2. Step 2: Convert to fraction form
    583.24/873.78 = 400.12/x
  3. Step 3: Cross multiply
    583.24x = 873.78 × 400.12
  4. Step 4: Simplify right side
    583.24x = 349,616.85
  5. Step 5: Solve for x
    x = 349,616.85/583.24
  6. Step 6: Final answer
    x = 599.44

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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.