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Finding the Fourth Proportional to 669.24, 923.60 and 437.04

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Solution

The fourth proportional to 669.24, 923.60 and 437.04 is: 603.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    669.24 : 923.60 = 437.04 : x
  2. Step 2: Convert to fraction form
    669.24/923.60 = 437.04/x
  3. Step 3: Cross multiply
    669.24x = 923.60 × 437.04
  4. Step 4: Simplify right side
    669.24x = 403,650.14
  5. Step 5: Solve for x
    x = 403,650.14/669.24
  6. Step 6: Final answer
    x = 603.15

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Why These Related Problems?

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