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Finding the Fourth Proportional to 558.34, 835.95 and 283.84

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Solution

The fourth proportional to 558.34, 835.95 and 283.84 is: 424.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    558.34 : 835.95 = 283.84 : x
  2. Step 2: Convert to fraction form
    558.34/835.95 = 283.84/x
  3. Step 3: Cross multiply
    558.34x = 835.95 × 283.84
  4. Step 4: Simplify right side
    558.34x = 237,276.05
  5. Step 5: Solve for x
    x = 237,276.05/558.34
  6. Step 6: Final answer
    x = 424.97

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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.