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Finding the Fourth Proportional to 307.92, 462.00 and 125.32

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Solution

The fourth proportional to 307.92, 462.00 and 125.32 is: 188.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    307.92 : 462.00 = 125.32 : x
  2. Step 2: Convert to fraction form
    307.92/462.00 = 125.32/x
  3. Step 3: Cross multiply
    307.92x = 462.00 × 125.32
  4. Step 4: Simplify right side
    307.92x = 57,897.21
  5. Step 5: Solve for x
    x = 57,897.21/307.92
  6. Step 6: Final answer
    x = 188.03

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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.