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Finding the Fourth Proportional to 588.63, 882.93 and 280.70

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Solution

The fourth proportional to 588.63, 882.93 and 280.70 is: 421.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.63 : 882.93 = 280.70 : x
  2. Step 2: Convert to fraction form
    588.63/882.93 = 280.70/x
  3. Step 3: Cross multiply
    588.63x = 882.93 × 280.70
  4. Step 4: Simplify right side
    588.63x = 247,838.45
  5. Step 5: Solve for x
    x = 247,838.45/588.63
  6. Step 6: Final answer
    x = 421.04

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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.