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Finding the Fourth Proportional to 670.33, 925.33 and 576.70

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Solution

The fourth proportional to 670.33, 925.33 and 576.70 is: 796.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    670.33 : 925.33 = 576.70 : x
  2. Step 2: Convert to fraction form
    670.33/925.33 = 576.70/x
  3. Step 3: Cross multiply
    670.33x = 925.33 × 576.70
  4. Step 4: Simplify right side
    670.33x = 533,637.81
  5. Step 5: Solve for x
    x = 533,637.81/670.33
  6. Step 6: Final answer
    x = 796.08

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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.