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Finding the Fourth Proportional to 504.38, 696.06 and 283.35

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Solution

The fourth proportional to 504.38, 696.06 and 283.35 is: 391.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.38 : 696.06 = 283.35 : x
  2. Step 2: Convert to fraction form
    504.38/696.06 = 283.35/x
  3. Step 3: Cross multiply
    504.38x = 696.06 × 283.35
  4. Step 4: Simplify right side
    504.38x = 197,228.60
  5. Step 5: Solve for x
    x = 197,228.60/504.38
  6. Step 6: Final answer
    x = 391.04

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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.