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Finding the Fourth Proportional to 250.64, 373.98 and 223.36

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Solution

The fourth proportional to 250.64, 373.98 and 223.36 is: 333.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.64 : 373.98 = 223.36 : x
  2. Step 2: Convert to fraction form
    250.64/373.98 = 223.36/x
  3. Step 3: Cross multiply
    250.64x = 373.98 × 223.36
  4. Step 4: Simplify right side
    250.64x = 83,532.17
  5. Step 5: Solve for x
    x = 83,532.17/250.64
  6. Step 6: Final answer
    x = 333.28

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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.