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Finding the Fourth Proportional to 854.52, 1,282.38 and 595.14

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Solution

The fourth proportional to 854.52, 1,282.38 and 595.14 is: 893.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    854.52 : 1,282.38 = 595.14 : x
  2. Step 2: Convert to fraction form
    854.52/1,282.38 = 595.14/x
  3. Step 3: Cross multiply
    854.52x = 1,282.38 × 595.14
  4. Step 4: Simplify right side
    854.52x = 763,195.63
  5. Step 5: Solve for x
    x = 763,195.63/854.52
  6. Step 6: Final answer
    x = 893.13

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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.