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Finding the Fourth Proportional to 702.56, 968.66 and 536.51

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Solution

The fourth proportional to 702.56, 968.66 and 536.51 is: 739.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    702.56 : 968.66 = 536.51 : x
  2. Step 2: Convert to fraction form
    702.56/968.66 = 536.51/x
  3. Step 3: Cross multiply
    702.56x = 968.66 × 536.51
  4. Step 4: Simplify right side
    702.56x = 519,688.25
  5. Step 5: Solve for x
    x = 519,688.25/702.56
  6. Step 6: Final answer
    x = 739.71

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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.