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Finding the Fourth Proportional to 595.37, 891.66 and 578.97

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Solution

The fourth proportional to 595.37, 891.66 and 578.97 is: 867.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.37 : 891.66 = 578.97 : x
  2. Step 2: Convert to fraction form
    595.37/891.66 = 578.97/x
  3. Step 3: Cross multiply
    595.37x = 891.66 × 578.97
  4. Step 4: Simplify right side
    595.37x = 516,244.39
  5. Step 5: Solve for x
    x = 516,244.39/595.37
  6. Step 6: Final answer
    x = 867.11

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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.