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Finding the Fourth Proportional to 454.02, 677.10 and 410.28

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Solution

The fourth proportional to 454.02, 677.10 and 410.28 is: 611.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    454.02 : 677.10 = 410.28 : x
  2. Step 2: Convert to fraction form
    454.02/677.10 = 410.28/x
  3. Step 3: Cross multiply
    454.02x = 677.10 × 410.28
  4. Step 4: Simplify right side
    454.02x = 277,800.59
  5. Step 5: Solve for x
    x = 277,800.59/454.02
  6. Step 6: Final answer
    x = 611.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.