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Finding the Fourth Proportional to 558.04, 834.84 and 374.56

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Solution

The fourth proportional to 558.04, 834.84 and 374.56 is: 560.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    558.04 : 834.84 = 374.56 : x
  2. Step 2: Convert to fraction form
    558.04/834.84 = 374.56/x
  3. Step 3: Cross multiply
    558.04x = 834.84 × 374.56
  4. Step 4: Simplify right side
    558.04x = 312,697.67
  5. Step 5: Solve for x
    x = 312,697.67/558.04
  6. Step 6: Final answer
    x = 560.35

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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.