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Finding the Fourth Proportional to 581.14, 801.90 and 332.43

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Solution

The fourth proportional to 581.14, 801.90 and 332.43 is: 458.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    581.14 : 801.90 = 332.43 : x
  2. Step 2: Convert to fraction form
    581.14/801.90 = 332.43/x
  3. Step 3: Cross multiply
    581.14x = 801.90 × 332.43
  4. Step 4: Simplify right side
    581.14x = 266,575.62
  5. Step 5: Solve for x
    x = 266,575.62/581.14
  6. Step 6: Final answer
    x = 458.71

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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.