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Finding the Fourth Proportional to 702.92, 969 and 555.32

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Solution

The fourth proportional to 702.92, 969 and 555.32 is: 765.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    702.92 : 969 = 555.32 : x
  2. Step 2: Convert to fraction form
    702.92/969 = 555.32/x
  3. Step 3: Cross multiply
    702.92x = 969 × 555.32
  4. Step 4: Simplify right side
    702.92x = 538,105.08
  5. Step 5: Solve for x
    x = 538,105.08/702.92
  6. Step 6: Final answer
    x = 765.53

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1.5x scale

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.