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Finding the Fourth Proportional to 575.69, 859.36 and 532.87

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Solution

The fourth proportional to 575.69, 859.36 and 532.87 is: 795.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.69 : 859.36 = 532.87 : x
  2. Step 2: Convert to fraction form
    575.69/859.36 = 532.87/x
  3. Step 3: Cross multiply
    575.69x = 859.36 × 532.87
  4. Step 4: Simplify right side
    575.69x = 457,922.87
  5. Step 5: Solve for x
    x = 457,922.87/575.69
  6. Step 6: Final answer
    x = 795.43

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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.