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Finding the Fourth Proportional to 558.97, 833.53 and 520.01

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Solution

The fourth proportional to 558.97, 833.53 and 520.01 is: 775.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    558.97 : 833.53 = 520.01 : x
  2. Step 2: Convert to fraction form
    558.97/833.53 = 520.01/x
  3. Step 3: Cross multiply
    558.97x = 833.53 × 520.01
  4. Step 4: Simplify right side
    558.97x = 433,443.94
  5. Step 5: Solve for x
    x = 433,443.94/558.97
  6. Step 6: Final answer
    x = 775.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.