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Finding the Fourth Proportional to 452.06, 623.52 and 277.48

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Solution

The fourth proportional to 452.06, 623.52 and 277.48 is: 382.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.06 : 623.52 = 277.48 : x
  2. Step 2: Convert to fraction form
    452.06/623.52 = 277.48/x
  3. Step 3: Cross multiply
    452.06x = 623.52 × 277.48
  4. Step 4: Simplify right side
    452.06x = 173,014.33
  5. Step 5: Solve for x
    x = 173,014.33/452.06
  6. Step 6: Final answer
    x = 382.72

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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.