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Finding the Fourth Proportional to 504.42, 696.07 and 283.37

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Solution

The fourth proportional to 504.42, 696.07 and 283.37 is: 391.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.42 : 696.07 = 283.37 : x
  2. Step 2: Convert to fraction form
    504.42/696.07 = 283.37/x
  3. Step 3: Cross multiply
    504.42x = 696.07 × 283.37
  4. Step 4: Simplify right side
    504.42x = 197,245.36
  5. Step 5: Solve for x
    x = 197,245.36/504.42
  6. Step 6: Final answer
    x = 391.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.