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Finding the Fourth Proportional to 200.36, 302.06 and 168.50

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Solution

The fourth proportional to 200.36, 302.06 and 168.50 is: 254.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    200.36 : 302.06 = 168.50 : x
  2. Step 2: Convert to fraction form
    200.36/302.06 = 168.50/x
  3. Step 3: Cross multiply
    200.36x = 302.06 × 168.50
  4. Step 4: Simplify right side
    200.36x = 50,897.11
  5. Step 5: Solve for x
    x = 50,897.11/200.36
  6. Step 6: Final answer
    x = 254.03

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.