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Finding the Fourth Proportional to 580.61, 870.68 and 246.92

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Solution

The fourth proportional to 580.61, 870.68 and 246.92 is: 370.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    580.61 : 870.68 = 246.92 : x
  2. Step 2: Convert to fraction form
    580.61/870.68 = 246.92/x
  3. Step 3: Cross multiply
    580.61x = 870.68 × 246.92
  4. Step 4: Simplify right side
    580.61x = 214,988.31
  5. Step 5: Solve for x
    x = 214,988.31/580.61
  6. Step 6: Final answer
    x = 370.28

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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.