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Finding the Fourth Proportional to 451.82, 623.57 and 265.38

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Solution

The fourth proportional to 451.82, 623.57 and 265.38 is: 366.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    451.82 : 623.57 = 265.38 : x
  2. Step 2: Convert to fraction form
    451.82/623.57 = 265.38/x
  3. Step 3: Cross multiply
    451.82x = 623.57 × 265.38
  4. Step 4: Simplify right side
    451.82x = 165,483.01
  5. Step 5: Solve for x
    x = 165,483.01/451.82
  6. Step 6: Final answer
    x = 366.26

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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.