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Finding the Fourth Proportional to 592.67, 889.55 and 455.27

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Solution

The fourth proportional to 592.67, 889.55 and 455.27 is: 683.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.67 : 889.55 = 455.27 : x
  2. Step 2: Convert to fraction form
    592.67/889.55 = 455.27/x
  3. Step 3: Cross multiply
    592.67x = 889.55 × 455.27
  4. Step 4: Simplify right side
    592.67x = 404,983.15
  5. Step 5: Solve for x
    x = 404,983.15/592.67
  6. Step 6: Final answer
    x = 683.32

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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.