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Finding the Fourth Proportional to 407.32, 610 and 400.60

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Solution

The fourth proportional to 407.32, 610 and 400.60 is: 599.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    407.32 : 610 = 400.60 : x
  2. Step 2: Convert to fraction form
    407.32/610 = 400.60/x
  3. Step 3: Cross multiply
    407.32x = 610 × 400.60
  4. Step 4: Simplify right side
    407.32x = 244,366
  5. Step 5: Solve for x
    x = 244,366/407.32
  6. Step 6: Final answer
    x = 599.94

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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.