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Finding the Fourth Proportional to 504.39, 696.08 and 283.38

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Solution

The fourth proportional to 504.39, 696.08 and 283.38 is: 391.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.39 : 696.08 = 283.38 : x
  2. Step 2: Convert to fraction form
    504.39/696.08 = 283.38/x
  3. Step 3: Cross multiply
    504.39x = 696.08 × 283.38
  4. Step 4: Simplify right side
    504.39x = 197,250.25
  5. Step 5: Solve for x
    x = 197,250.25/504.39
  6. Step 6: Final answer
    x = 391.07

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Double scale
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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.