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Finding the Fourth Proportional to 641.12, 967.00 and 565.03

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Solution

The fourth proportional to 641.12, 967.00 and 565.03 is: 852.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    641.12 : 967.00 = 565.03 : x
  2. Step 2: Convert to fraction form
    641.12/967.00 = 565.03/x
  3. Step 3: Cross multiply
    641.12x = 967.00 × 565.03
  4. Step 4: Simplify right side
    641.12x = 546,381.18
  5. Step 5: Solve for x
    x = 546,381.18/641.12
  6. Step 6: Final answer
    x = 852.23

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.