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Finding the Fourth Proportional to 967.34, 1,334.63 and 589.31

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Solution

The fourth proportional to 967.34, 1,334.63 and 589.31 is: 813.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    967.34 : 1,334.63 = 589.31 : x
  2. Step 2: Convert to fraction form
    967.34/1,334.63 = 589.31/x
  3. Step 3: Cross multiply
    967.34x = 1,334.63 × 589.31
  4. Step 4: Simplify right side
    967.34x = 786,507.30
  5. Step 5: Solve for x
    x = 786,507.30/967.34
  6. Step 6: Final answer
    x = 813.06

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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.