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Finding the Fourth Proportional to 591.81, 886.73 and 359.99

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Solution

The fourth proportional to 591.81, 886.73 and 359.99 is: 539.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.81 : 886.73 = 359.99 : x
  2. Step 2: Convert to fraction form
    591.81/886.73 = 359.99/x
  3. Step 3: Cross multiply
    591.81x = 886.73 × 359.99
  4. Step 4: Simplify right side
    591.81x = 319,215.86
  5. Step 5: Solve for x
    x = 319,215.86/591.81
  6. Step 6: Final answer
    x = 539.39

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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.