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Finding the Fourth Proportional to 589.32, 884.58 and 406.08

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Solution

The fourth proportional to 589.32, 884.58 and 406.08 is: 609.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.32 : 884.58 = 406.08 : x
  2. Step 2: Convert to fraction form
    589.32/884.58 = 406.08/x
  3. Step 3: Cross multiply
    589.32x = 884.58 × 406.08
  4. Step 4: Simplify right side
    589.32x = 359,210.25
  5. Step 5: Solve for x
    x = 359,210.25/589.32
  6. Step 6: Final answer
    x = 609.53

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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.