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Finding the Fourth Proportional to 654.08, 980 and 589.04

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Solution

The fourth proportional to 654.08, 980 and 589.04 is: 882.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    654.08 : 980 = 589.04 : x
  2. Step 2: Convert to fraction form
    654.08/980 = 589.04/x
  3. Step 3: Cross multiply
    654.08x = 980 × 589.04
  4. Step 4: Simplify right side
    654.08x = 577,259.20
  5. Step 5: Solve for x
    x = 577,259.20/654.08
  6. Step 6: Final answer
    x = 882.55

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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.