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Finding the Fourth Proportional to 641.04, 956.24 and 568.14

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Solution

The fourth proportional to 641.04, 956.24 and 568.14 is: 847.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    641.04 : 956.24 = 568.14 : x
  2. Step 2: Convert to fraction form
    641.04/956.24 = 568.14/x
  3. Step 3: Cross multiply
    641.04x = 956.24 × 568.14
  4. Step 4: Simplify right side
    641.04x = 543,275.35
  5. Step 5: Solve for x
    x = 543,275.35/641.04
  6. Step 6: Final answer
    x = 847.49

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.