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Finding the Fourth Proportional to 702.32, 969.60 and 466.32

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Solution

The fourth proportional to 702.32, 969.60 and 466.32 is: 643.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    702.32 : 969.60 = 466.32 : x
  2. Step 2: Convert to fraction form
    702.32/969.60 = 466.32/x
  3. Step 3: Cross multiply
    702.32x = 969.60 × 466.32
  4. Step 4: Simplify right side
    702.32x = 452,143.87
  5. Step 5: Solve for x
    x = 452,143.87/702.32
  6. Step 6: Final answer
    x = 643.79

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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.