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Finding the Fourth Proportional to 250.42, 373.61 and 223.06

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Solution

The fourth proportional to 250.42, 373.61 and 223.06 is: 332.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.42 : 373.61 = 223.06 : x
  2. Step 2: Convert to fraction form
    250.42/373.61 = 223.06/x
  3. Step 3: Cross multiply
    250.42x = 373.61 × 223.06
  4. Step 4: Simplify right side
    250.42x = 83,337.45
  5. Step 5: Solve for x
    x = 83,337.45/250.42
  6. Step 6: Final answer
    x = 332.79

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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.