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Finding the Fourth Proportional to 250.30, 373.85 and 192.52

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Solution

The fourth proportional to 250.30, 373.85 and 192.52 is: 287.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.30 : 373.85 = 192.52 : x
  2. Step 2: Convert to fraction form
    250.30/373.85 = 192.52/x
  3. Step 3: Cross multiply
    250.30x = 373.85 × 192.52
  4. Step 4: Simplify right side
    250.30x = 71,973.60
  5. Step 5: Solve for x
    x = 71,973.60/250.30
  6. Step 6: Final answer
    x = 287.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.