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Finding the Fourth Proportional to 150.30, 207.30 and 97.14

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Solution

The fourth proportional to 150.30, 207.30 and 97.14 is: 133.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.30 : 207.30 = 97.14 : x
  2. Step 2: Convert to fraction form
    150.30/207.30 = 97.14/x
  3. Step 3: Cross multiply
    150.30x = 207.30 × 97.14
  4. Step 4: Simplify right side
    150.30x = 20,137.12
  5. Step 5: Solve for x
    x = 20,137.12/150.30
  6. Step 6: Final answer
    x = 133.98

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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.