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Finding the Fourth Proportional to 587.02, 882.45 and 543.89

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Solution

The fourth proportional to 587.02, 882.45 and 543.89 is: 817.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    587.02 : 882.45 = 543.89 : x
  2. Step 2: Convert to fraction form
    587.02/882.45 = 543.89/x
  3. Step 3: Cross multiply
    587.02x = 882.45 × 543.89
  4. Step 4: Simplify right side
    587.02x = 479,951.32
  5. Step 5: Solve for x
    x = 479,951.32/587.02
  6. Step 6: Final answer
    x = 817.61

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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.