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Finding the Fourth Proportional to 958.76, 1,437.60 and 568.82

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Solution

The fourth proportional to 958.76, 1,437.60 and 568.82 is: 852.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    958.76 : 1,437.60 = 568.82 : x
  2. Step 2: Convert to fraction form
    958.76/1,437.60 = 568.82/x
  3. Step 3: Cross multiply
    958.76x = 1,437.60 × 568.82
  4. Step 4: Simplify right side
    958.76x = 817,735.63
  5. Step 5: Solve for x
    x = 817,735.63/958.76
  6. Step 6: Final answer
    x = 852.91

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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.