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Finding the Fourth Proportional to 604, 906.18 and 409.24

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Solution

The fourth proportional to 604, 906.18 and 409.24 is: 613.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    604 : 906.18 = 409.24 : x
  2. Step 2: Convert to fraction form
    604/906.18 = 409.24/x
  3. Step 3: Cross multiply
    604x = 906.18 × 409.24
  4. Step 4: Simplify right side
    604x = 370,845.10
  5. Step 5: Solve for x
    x = 370,845.10/604
  6. Step 6: Final answer
    x = 613.98

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.