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Finding the Fourth Proportional to 600.64, 899.52 and 455.20

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Solution

The fourth proportional to 600.64, 899.52 and 455.20 is: 681.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.64 : 899.52 = 455.20 : x
  2. Step 2: Convert to fraction form
    600.64/899.52 = 455.20/x
  3. Step 3: Cross multiply
    600.64x = 899.52 × 455.20
  4. Step 4: Simplify right side
    600.64x = 409,461.50
  5. Step 5: Solve for x
    x = 409,461.50/600.64
  6. Step 6: Final answer
    x = 681.71

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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.