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Finding the Fourth Proportional to 673.13, 929.45 and 437.24

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Solution

The fourth proportional to 673.13, 929.45 and 437.24 is: 603.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    673.13 : 929.45 = 437.24 : x
  2. Step 2: Convert to fraction form
    673.13/929.45 = 437.24/x
  3. Step 3: Cross multiply
    673.13x = 929.45 × 437.24
  4. Step 4: Simplify right side
    673.13x = 406,396.13
  5. Step 5: Solve for x
    x = 406,396.13/673.13
  6. Step 6: Final answer
    x = 603.74

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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.