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Finding the Fourth Proportional to 1,301.00, 1,950.68 and 560.21

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Solution

The fourth proportional to 1,301.00, 1,950.68 and 560.21 is: 839.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301.00 : 1,950.68 = 560.21 : x
  2. Step 2: Convert to fraction form
    1,301.00/1,950.68 = 560.21/x
  3. Step 3: Cross multiply
    1,301.00x = 1,950.68 × 560.21
  4. Step 4: Simplify right side
    1,301.00x = 1,092,782.09
  5. Step 5: Solve for x
    x = 1,092,782.09/1,301.00
  6. Step 6: Final answer
    x = 839.96

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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.