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Finding the Fourth Proportional to 968.09, 1,335.99 and 526.02

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Solution

The fourth proportional to 968.09, 1,335.99 and 526.02 is: 725.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.09 : 1,335.99 = 526.02 : x
  2. Step 2: Convert to fraction form
    968.09/1,335.99 = 526.02/x
  3. Step 3: Cross multiply
    968.09x = 1,335.99 × 526.02
  4. Step 4: Simplify right side
    968.09x = 702,764.44
  5. Step 5: Solve for x
    x = 702,764.44/968.09
  6. Step 6: Final answer
    x = 725.93

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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.