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Finding the Fourth Proportional to 452.88, 625.14 and 383.31

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Solution

The fourth proportional to 452.88, 625.14 and 383.31 is: 529.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.88 : 625.14 = 383.31 : x
  2. Step 2: Convert to fraction form
    452.88/625.14 = 383.31/x
  3. Step 3: Cross multiply
    452.88x = 625.14 × 383.31
  4. Step 4: Simplify right side
    452.88x = 239,622.41
  5. Step 5: Solve for x
    x = 239,622.41/452.88
  6. Step 6: Final answer
    x = 529.11

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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.