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Finding the Fourth Proportional to 464.05, 640.24 and 267.45

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Solution

The fourth proportional to 464.05, 640.24 and 267.45 is: 369.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.05 : 640.24 = 267.45 : x
  2. Step 2: Convert to fraction form
    464.05/640.24 = 267.45/x
  3. Step 3: Cross multiply
    464.05x = 640.24 × 267.45
  4. Step 4: Simplify right side
    464.05x = 171,232.19
  5. Step 5: Solve for x
    x = 171,232.19/464.05
  6. Step 6: Final answer
    x = 369.00

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.