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Finding the Fourth Proportional to 958.98, 1,323.50 and 566.14

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Solution

The fourth proportional to 958.98, 1,323.50 and 566.14 is: 781.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    958.98 : 1,323.50 = 566.14 : x
  2. Step 2: Convert to fraction form
    958.98/1,323.50 = 566.14/x
  3. Step 3: Cross multiply
    958.98x = 1,323.50 × 566.14
  4. Step 4: Simplify right side
    958.98x = 749,286.29
  5. Step 5: Solve for x
    x = 749,286.29/958.98
  6. Step 6: Final answer
    x = 781.34

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1.5x scale

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.