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Finding the Fourth Proportional to 648.59, 968.14 and 562.52

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Solution

The fourth proportional to 648.59, 968.14 and 562.52 is: 839.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    648.59 : 968.14 = 562.52 : x
  2. Step 2: Convert to fraction form
    648.59/968.14 = 562.52/x
  3. Step 3: Cross multiply
    648.59x = 968.14 × 562.52
  4. Step 4: Simplify right side
    648.59x = 544,601.24
  5. Step 5: Solve for x
    x = 544,601.24/648.59
  6. Step 6: Final answer
    x = 839.68

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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.