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Finding the Fourth Proportional to 1,658.13, 2,288.52 and 959.50

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Solution

The fourth proportional to 1,658.13, 2,288.52 and 959.50 is: 1,324.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658.13 : 2,288.52 = 959.50 : x
  2. Step 2: Convert to fraction form
    1,658.13/2,288.52 = 959.50/x
  3. Step 3: Cross multiply
    1,658.13x = 2,288.52 × 959.50
  4. Step 4: Simplify right side
    1,658.13x = 2,195,834.94
  5. Step 5: Solve for x
    x = 2,195,834.94/1,658.13
  6. Step 6: Final answer
    x = 1,324.28

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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.