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Finding the Fourth Proportional to 702.48, 969.55 and 466.43

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Solution

The fourth proportional to 702.48, 969.55 and 466.43 is: 643.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    702.48 : 969.55 = 466.43 : x
  2. Step 2: Convert to fraction form
    702.48/969.55 = 466.43/x
  3. Step 3: Cross multiply
    702.48x = 969.55 × 466.43
  4. Step 4: Simplify right side
    702.48x = 452,227.21
  5. Step 5: Solve for x
    x = 452,227.21/702.48
  6. Step 6: Final answer
    x = 643.76

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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.