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Finding the Fourth Proportional to 576.11, 859.71 and 524.37

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Solution

The fourth proportional to 576.11, 859.71 and 524.37 is: 782.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.11 : 859.71 = 524.37 : x
  2. Step 2: Convert to fraction form
    576.11/859.71 = 524.37/x
  3. Step 3: Cross multiply
    576.11x = 859.71 × 524.37
  4. Step 4: Simplify right side
    576.11x = 450,811.32
  5. Step 5: Solve for x
    x = 450,811.32/576.11
  6. Step 6: Final answer
    x = 782.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.