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Finding the Fourth Proportional to 580.93, 871.30 and 170.02

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Solution

The fourth proportional to 580.93, 871.30 and 170.02 is: 255.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    580.93 : 871.30 = 170.02 : x
  2. Step 2: Convert to fraction form
    580.93/871.30 = 170.02/x
  3. Step 3: Cross multiply
    580.93x = 871.30 × 170.02
  4. Step 4: Simplify right side
    580.93x = 148,139.73
  5. Step 5: Solve for x
    x = 148,139.73/580.93
  6. Step 6: Final answer
    x = 255.01

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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.