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Finding the Fourth Proportional to 188.69, 283.14 and 97.37

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Solution

The fourth proportional to 188.69, 283.14 and 97.37 is: 146.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    188.69 : 283.14 = 97.37 : x
  2. Step 2: Convert to fraction form
    188.69/283.14 = 97.37/x
  3. Step 3: Cross multiply
    188.69x = 283.14 × 97.37
  4. Step 4: Simplify right side
    188.69x = 27,569.34
  5. Step 5: Solve for x
    x = 27,569.34/188.69
  6. Step 6: Final answer
    x = 146.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.