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Finding the Fourth Proportional to 591.02, 888.45 and 547.89

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Solution

The fourth proportional to 591.02, 888.45 and 547.89 is: 823.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.02 : 888.45 = 547.89 : x
  2. Step 2: Convert to fraction form
    591.02/888.45 = 547.89/x
  3. Step 3: Cross multiply
    591.02x = 888.45 × 547.89
  4. Step 4: Simplify right side
    591.02x = 486,772.87
  5. Step 5: Solve for x
    x = 486,772.87/591.02
  6. Step 6: Final answer
    x = 823.61

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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.