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Finding the Fourth Proportional to 451.92, 623.58 and 265.37

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Solution

The fourth proportional to 451.92, 623.58 and 265.37 is: 366.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    451.92 : 623.58 = 265.37 : x
  2. Step 2: Convert to fraction form
    451.92/623.58 = 265.37/x
  3. Step 3: Cross multiply
    451.92x = 623.58 × 265.37
  4. Step 4: Simplify right side
    451.92x = 165,476.31
  5. Step 5: Solve for x
    x = 165,476.31/451.92
  6. Step 6: Final answer
    x = 366.16

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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.