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Finding the Fourth Proportional to 588.97, 883.91 and 407.63

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Solution

The fourth proportional to 588.97, 883.91 and 407.63 is: 611.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.97 : 883.91 = 407.63 : x
  2. Step 2: Convert to fraction form
    588.97/883.91 = 407.63/x
  3. Step 3: Cross multiply
    588.97x = 883.91 × 407.63
  4. Step 4: Simplify right side
    588.97x = 360,311.46
  5. Step 5: Solve for x
    x = 360,311.46/588.97
  6. Step 6: Final answer
    x = 611.76

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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.