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Finding the Fourth Proportional to 595.76, 893.70 and 287.55

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Solution

The fourth proportional to 595.76, 893.70 and 287.55 is: 431.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.76 : 893.70 = 287.55 : x
  2. Step 2: Convert to fraction form
    595.76/893.70 = 287.55/x
  3. Step 3: Cross multiply
    595.76x = 893.70 × 287.55
  4. Step 4: Simplify right side
    595.76x = 256,983.44
  5. Step 5: Solve for x
    x = 256,983.44/595.76
  6. Step 6: Final answer
    x = 431.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.