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Finding the Fourth Proportional to 599.16, 896.82 and 405.72

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Solution

The fourth proportional to 599.16, 896.82 and 405.72 is: 607.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.16 : 896.82 = 405.72 : x
  2. Step 2: Convert to fraction form
    599.16/896.82 = 405.72/x
  3. Step 3: Cross multiply
    599.16x = 896.82 × 405.72
  4. Step 4: Simplify right side
    599.16x = 363,857.81
  5. Step 5: Solve for x
    x = 363,857.81/599.16
  6. Step 6: Final answer
    x = 607.28

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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.