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Finding the Fourth Proportional to 670.00, 924.12 and 408.03

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Solution

The fourth proportional to 670.00, 924.12 and 408.03 is: 562.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    670.00 : 924.12 = 408.03 : x
  2. Step 2: Convert to fraction form
    670.00/924.12 = 408.03/x
  3. Step 3: Cross multiply
    670.00x = 924.12 × 408.03
  4. Step 4: Simplify right side
    670.00x = 377,068.68
  5. Step 5: Solve for x
    x = 377,068.68/670.00
  6. Step 6: Final answer
    x = 562.79

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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.