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Finding the Fourth Proportional to 250.32, 345.40 and 146.84

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Solution

The fourth proportional to 250.32, 345.40 and 146.84 is: 202.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.32 : 345.40 = 146.84 : x
  2. Step 2: Convert to fraction form
    250.32/345.40 = 146.84/x
  3. Step 3: Cross multiply
    250.32x = 345.40 × 146.84
  4. Step 4: Simplify right side
    250.32x = 50,718.54
  5. Step 5: Solve for x
    x = 50,718.54/250.32
  6. Step 6: Final answer
    x = 202.61

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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.