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Finding the Fourth Proportional to 529.88, 791.52 and 452.48

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Solution

The fourth proportional to 529.88, 791.52 and 452.48 is: 675.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.88 : 791.52 = 452.48 : x
  2. Step 2: Convert to fraction form
    529.88/791.52 = 452.48/x
  3. Step 3: Cross multiply
    529.88x = 791.52 × 452.48
  4. Step 4: Simplify right side
    529.88x = 358,146.97
  5. Step 5: Solve for x
    x = 358,146.97/529.88
  6. Step 6: Final answer
    x = 675.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.