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Finding the Fourth Proportional to 702.36, 968.22 and 571.14

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Solution

The fourth proportional to 702.36, 968.22 and 571.14 is: 787.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    702.36 : 968.22 = 571.14 : x
  2. Step 2: Convert to fraction form
    702.36/968.22 = 571.14/x
  3. Step 3: Cross multiply
    702.36x = 968.22 × 571.14
  4. Step 4: Simplify right side
    702.36x = 552,989.17
  5. Step 5: Solve for x
    x = 552,989.17/702.36
  6. Step 6: Final answer
    x = 787.33

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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.