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Finding the Fourth Proportional to 1,579.55, 2,369.12 and 606.33

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Solution

The fourth proportional to 1,579.55, 2,369.12 and 606.33 is: 909.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579.55 : 2,369.12 = 606.33 : x
  2. Step 2: Convert to fraction form
    1,579.55/2,369.12 = 606.33/x
  3. Step 3: Cross multiply
    1,579.55x = 2,369.12 × 606.33
  4. Step 4: Simplify right side
    1,579.55x = 1,436,465.50
  5. Step 5: Solve for x
    x = 1,436,465.50/1,579.55
  6. Step 6: Final answer
    x = 909.42

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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.