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Finding the Fourth Proportional to 558.01, 837.08 and 192.70

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Solution

The fourth proportional to 558.01, 837.08 and 192.70 is: 289.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    558.01 : 837.08 = 192.70 : x
  2. Step 2: Convert to fraction form
    558.01/837.08 = 192.70/x
  3. Step 3: Cross multiply
    558.01x = 837.08 × 192.70
  4. Step 4: Simplify right side
    558.01x = 161,300.17
  5. Step 5: Solve for x
    x = 161,300.17/558.01
  6. Step 6: Final answer
    x = 289.07

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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.