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Finding the Fourth Proportional to 558.91, 838.37 and 532.94

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Solution

The fourth proportional to 558.91, 838.37 and 532.94 is: 799.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    558.91 : 838.37 = 532.94 : x
  2. Step 2: Convert to fraction form
    558.91/838.37 = 532.94/x
  3. Step 3: Cross multiply
    558.91x = 838.37 × 532.94
  4. Step 4: Simplify right side
    558.91x = 446,800.91
  5. Step 5: Solve for x
    x = 446,800.91/558.91
  6. Step 6: Final answer
    x = 799.41

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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.