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Finding the Fourth Proportional to 702.19, 968.50 and 671.17

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Solution

The fourth proportional to 702.19, 968.50 and 671.17 is: 925.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    702.19 : 968.50 = 671.17 : x
  2. Step 2: Convert to fraction form
    702.19/968.50 = 671.17/x
  3. Step 3: Cross multiply
    702.19x = 968.50 × 671.17
  4. Step 4: Simplify right side
    702.19x = 650,028.15
  5. Step 5: Solve for x
    x = 650,028.15/702.19
  6. Step 6: Final answer
    x = 925.72

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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.