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Finding the Fourth Proportional to 958.04, 1,322.28 and 585.35

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Solution

The fourth proportional to 958.04, 1,322.28 and 585.35 is: 807.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    958.04 : 1,322.28 = 585.35 : x
  2. Step 2: Convert to fraction form
    958.04/1,322.28 = 585.35/x
  3. Step 3: Cross multiply
    958.04x = 1,322.28 × 585.35
  4. Step 4: Simplify right side
    958.04x = 773,999.90
  5. Step 5: Solve for x
    x = 773,999.90/958.04
  6. Step 6: Final answer
    x = 807.90

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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.