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Finding the Fourth Proportional to 580.32, 869.54 and 246.50

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Solution

The fourth proportional to 580.32, 869.54 and 246.50 is: 369.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    580.32 : 869.54 = 246.50 : x
  2. Step 2: Convert to fraction form
    580.32/869.54 = 246.50/x
  3. Step 3: Cross multiply
    580.32x = 869.54 × 246.50
  4. Step 4: Simplify right side
    580.32x = 214,342.55
  5. Step 5: Solve for x
    x = 214,342.55/580.32
  6. Step 6: Final answer
    x = 369.35

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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.