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Finding the Fourth Proportional to 669.92, 1,004.88 and 183.02

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Solution

The fourth proportional to 669.92, 1,004.88 and 183.02 is: 274.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    669.92 : 1,004.88 = 183.02 : x
  2. Step 2: Convert to fraction form
    669.92/1,004.88 = 183.02/x
  3. Step 3: Cross multiply
    669.92x = 1,004.88 × 183.02
  4. Step 4: Simplify right side
    669.92x = 183,913.14
  5. Step 5: Solve for x
    x = 183,913.14/669.92
  6. Step 6: Final answer
    x = 274.53

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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.