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Finding the Fourth Proportional to 453.02, 628.04 and 429.60

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Solution

The fourth proportional to 453.02, 628.04 and 429.60 is: 595.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    453.02 : 628.04 = 429.60 : x
  2. Step 2: Convert to fraction form
    453.02/628.04 = 429.60/x
  3. Step 3: Cross multiply
    453.02x = 628.04 × 429.60
  4. Step 4: Simplify right side
    453.02x = 269,805.98
  5. Step 5: Solve for x
    x = 269,805.98/453.02
  6. Step 6: Final answer
    x = 595.57

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.