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Finding the Fourth Proportional to 576.32, 795.60 and 539.48

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Solution

The fourth proportional to 576.32, 795.60 and 539.48 is: 744.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.32 : 795.60 = 539.48 : x
  2. Step 2: Convert to fraction form
    576.32/795.60 = 539.48/x
  3. Step 3: Cross multiply
    576.32x = 795.60 × 539.48
  4. Step 4: Simplify right side
    576.32x = 429,210.29
  5. Step 5: Solve for x
    x = 429,210.29/576.32
  6. Step 6: Final answer
    x = 744.74

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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.