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Finding the Fourth Proportional to 453.43, 624.89 and 370.27

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Solution

The fourth proportional to 453.43, 624.89 and 370.27 is: 510.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    453.43 : 624.89 = 370.27 : x
  2. Step 2: Convert to fraction form
    453.43/624.89 = 370.27/x
  3. Step 3: Cross multiply
    453.43x = 624.89 × 370.27
  4. Step 4: Simplify right side
    453.43x = 231,373.04
  5. Step 5: Solve for x
    x = 231,373.04/453.43
  6. Step 6: Final answer
    x = 510.28

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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.