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Finding the Fourth Proportional to 580.50, 871.02 and 292.14

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Solution

The fourth proportional to 580.50, 871.02 and 292.14 is: 438.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    580.50 : 871.02 = 292.14 : x
  2. Step 2: Convert to fraction form
    580.50/871.02 = 292.14/x
  3. Step 3: Cross multiply
    580.50x = 871.02 × 292.14
  4. Step 4: Simplify right side
    580.50x = 254,459.78
  5. Step 5: Solve for x
    x = 254,459.78/580.50
  6. Step 6: Final answer
    x = 438.35

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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.