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Finding the Fourth Proportional to 959.22, 1,437.89 and 526.68

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Solution

The fourth proportional to 959.22, 1,437.89 and 526.68 is: 789.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    959.22 : 1,437.89 = 526.68 : x
  2. Step 2: Convert to fraction form
    959.22/1,437.89 = 526.68/x
  3. Step 3: Cross multiply
    959.22x = 1,437.89 × 526.68
  4. Step 4: Simplify right side
    959.22x = 757,305.27
  5. Step 5: Solve for x
    x = 757,305.27/959.22
  6. Step 6: Final answer
    x = 789.50

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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.