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Finding the Fourth Proportional to 952.71, 1,429.05 and 404.55

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Solution

The fourth proportional to 952.71, 1,429.05 and 404.55 is: 606.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.71 : 1,429.05 = 404.55 : x
  2. Step 2: Convert to fraction form
    952.71/1,429.05 = 404.55/x
  3. Step 3: Cross multiply
    952.71x = 1,429.05 × 404.55
  4. Step 4: Simplify right side
    952.71x = 578,122.18
  5. Step 5: Solve for x
    x = 578,122.18/952.71
  6. Step 6: Final answer
    x = 606.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.