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Finding the Fourth Proportional to 965.66, 1,333.22 and 593.01

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Solution

The fourth proportional to 965.66, 1,333.22 and 593.01 is: 818.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    965.66 : 1,333.22 = 593.01 : x
  2. Step 2: Convert to fraction form
    965.66/1,333.22 = 593.01/x
  3. Step 3: Cross multiply
    965.66x = 1,333.22 × 593.01
  4. Step 4: Simplify right side
    965.66x = 790,609.83
  5. Step 5: Solve for x
    x = 790,609.83/965.66
  6. Step 6: Final answer
    x = 818.73

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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.