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Finding the Fourth Proportional to 497.00, 747.18 and 406.35

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Solution

The fourth proportional to 497.00, 747.18 and 406.35 is: 610.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    497.00 : 747.18 = 406.35 : x
  2. Step 2: Convert to fraction form
    497.00/747.18 = 406.35/x
  3. Step 3: Cross multiply
    497.00x = 747.18 × 406.35
  4. Step 4: Simplify right side
    497.00x = 303,616.59
  5. Step 5: Solve for x
    x = 303,616.59/497.00
  6. Step 6: Final answer
    x = 610.90

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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.