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Finding the Fourth Proportional to 588.89, 883.63 and 280.67

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Solution

The fourth proportional to 588.89, 883.63 and 280.67 is: 421.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.89 : 883.63 = 280.67 : x
  2. Step 2: Convert to fraction form
    588.89/883.63 = 280.67/x
  3. Step 3: Cross multiply
    588.89x = 883.63 × 280.67
  4. Step 4: Simplify right side
    588.89x = 248,004.01
  5. Step 5: Solve for x
    x = 248,004.01/588.89
  6. Step 6: Final answer
    x = 421.14

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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.