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Finding the Fourth Proportional to 587.02, 884.99 and 579.72

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Solution

The fourth proportional to 587.02, 884.99 and 579.72 is: 873.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    587.02 : 884.99 = 579.72 : x
  2. Step 2: Convert to fraction form
    587.02/884.99 = 579.72/x
  3. Step 3: Cross multiply
    587.02x = 884.99 × 579.72
  4. Step 4: Simplify right side
    587.02x = 513,046.40
  5. Step 5: Solve for x
    x = 513,046.40/587.02
  6. Step 6: Final answer
    x = 873.98

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.