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Finding the Fourth Proportional to 400.47, 603.24 and 376.17

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Solution

The fourth proportional to 400.47, 603.24 and 376.17 is: 566.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    400.47 : 603.24 = 376.17 : x
  2. Step 2: Convert to fraction form
    400.47/603.24 = 376.17/x
  3. Step 3: Cross multiply
    400.47x = 603.24 × 376.17
  4. Step 4: Simplify right side
    400.47x = 226,920.79
  5. Step 5: Solve for x
    x = 226,920.79/400.47
  6. Step 6: Final answer
    x = 566.64

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.