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Finding the Fourth Proportional to 592.12, 888.18 and 455.41

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Solution

The fourth proportional to 592.12, 888.18 and 455.41 is: 683.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.12 : 888.18 = 455.41 : x
  2. Step 2: Convert to fraction form
    592.12/888.18 = 455.41/x
  3. Step 3: Cross multiply
    592.12x = 888.18 × 455.41
  4. Step 4: Simplify right side
    592.12x = 404,486.05
  5. Step 5: Solve for x
    x = 404,486.05/592.12
  6. Step 6: Final answer
    x = 683.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.