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Finding the Fourth Proportional to 451.52, 623.28 and 341.03

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Solution

The fourth proportional to 451.52, 623.28 and 341.03 is: 470.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    451.52 : 623.28 = 341.03 : x
  2. Step 2: Convert to fraction form
    451.52/623.28 = 341.03/x
  3. Step 3: Cross multiply
    451.52x = 623.28 × 341.03
  4. Step 4: Simplify right side
    451.52x = 212,554.06
  5. Step 5: Solve for x
    x = 212,554.06/451.52
  6. Step 6: Final answer
    x = 470.76

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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.