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Finding the Fourth Proportional to 958.40, 1,323.02 and 737.27

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Solution

The fourth proportional to 958.40, 1,323.02 and 737.27 is: 1,017.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    958.40 : 1,323.02 = 737.27 : x
  2. Step 2: Convert to fraction form
    958.40/1,323.02 = 737.27/x
  3. Step 3: Cross multiply
    958.40x = 1,323.02 × 737.27
  4. Step 4: Simplify right side
    958.40x = 975,422.96
  5. Step 5: Solve for x
    x = 975,422.96/958.40
  6. Step 6: Final answer
    x = 1,017.76

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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.