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Finding the Fourth Proportional to 452.42, 624.36 and 250.54

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Solution

The fourth proportional to 452.42, 624.36 and 250.54 is: 345.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.42 : 624.36 = 250.54 : x
  2. Step 2: Convert to fraction form
    452.42/624.36 = 250.54/x
  3. Step 3: Cross multiply
    452.42x = 624.36 × 250.54
  4. Step 4: Simplify right side
    452.42x = 156,425.59
  5. Step 5: Solve for x
    x = 156,425.59/452.42
  6. Step 6: Final answer
    x = 345.75

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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.