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Finding the Fourth Proportional to 592.31, 887.90 and 299.69

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Solution

The fourth proportional to 592.31, 887.90 and 299.69 is: 449.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.31 : 887.90 = 299.69 : x
  2. Step 2: Convert to fraction form
    592.31/887.90 = 299.69/x
  3. Step 3: Cross multiply
    592.31x = 887.90 × 299.69
  4. Step 4: Simplify right side
    592.31x = 266,092.16
  5. Step 5: Solve for x
    x = 266,092.16/592.31
  6. Step 6: Final answer
    x = 449.24

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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.