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Finding the Fourth Proportional to 575.32, 858.80 and 532.49

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Solution

The fourth proportional to 575.32, 858.80 and 532.49 is: 794.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.32 : 858.80 = 532.49 : x
  2. Step 2: Convert to fraction form
    575.32/858.80 = 532.49/x
  3. Step 3: Cross multiply
    575.32x = 858.80 × 532.49
  4. Step 4: Simplify right side
    575.32x = 457,302.41
  5. Step 5: Solve for x
    x = 457,302.41/575.32
  6. Step 6: Final answer
    x = 794.87

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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.