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Finding the Fourth Proportional to 951.71, 1,428.28 and 335.93

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Solution

The fourth proportional to 951.71, 1,428.28 and 335.93 is: 504.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.71 : 1,428.28 = 335.93 : x
  2. Step 2: Convert to fraction form
    951.71/1,428.28 = 335.93/x
  3. Step 3: Cross multiply
    951.71x = 1,428.28 × 335.93
  4. Step 4: Simplify right side
    951.71x = 479,794.12
  5. Step 5: Solve for x
    x = 479,794.12/951.71
  6. Step 6: Final answer
    x = 504.14

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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.