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Finding the Fourth Proportional to 671.04, 924.48 and 605.76

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Solution

The fourth proportional to 671.04, 924.48 and 605.76 is: 834.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    671.04 : 924.48 = 605.76 : x
  2. Step 2: Convert to fraction form
    671.04/924.48 = 605.76/x
  3. Step 3: Cross multiply
    671.04x = 924.48 × 605.76
  4. Step 4: Simplify right side
    671.04x = 560,013.00
  5. Step 5: Solve for x
    x = 560,013.00/671.04
  6. Step 6: Final answer
    x = 834.54

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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.