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Finding the Fourth Proportional to 558.24, 836.75 and 476.83

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Solution

The fourth proportional to 558.24, 836.75 and 476.83 is: 714.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    558.24 : 836.75 = 476.83 : x
  2. Step 2: Convert to fraction form
    558.24/836.75 = 476.83/x
  3. Step 3: Cross multiply
    558.24x = 836.75 × 476.83
  4. Step 4: Simplify right side
    558.24x = 398,985.12
  5. Step 5: Solve for x
    x = 398,985.12/558.24
  6. Step 6: Final answer
    x = 714.73

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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.