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Finding the Fourth Proportional to 200.35, 281.30 and 200.35

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Solution

The fourth proportional to 200.35, 281.30 and 200.35 is: 281.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    200.35 : 281.30 = 200.35 : x
  2. Step 2: Convert to fraction form
    200.35/281.30 = 200.35/x
  3. Step 3: Cross multiply
    200.35x = 281.30 × 200.35
  4. Step 4: Simplify right side
    200.35x = 56,358.46
  5. Step 5: Solve for x
    x = 56,358.46/200.35
  6. Step 6: Final answer
    x = 281.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.