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Finding the Fourth Proportional to 595.80, 891.90 and 523.80

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Solution

The fourth proportional to 595.80, 891.90 and 523.80 is: 784.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.80 : 891.90 = 523.80 : x
  2. Step 2: Convert to fraction form
    595.80/891.90 = 523.80/x
  3. Step 3: Cross multiply
    595.80x = 891.90 × 523.80
  4. Step 4: Simplify right side
    595.80x = 467,177.22
  5. Step 5: Solve for x
    x = 467,177.22/595.80
  6. Step 6: Final answer
    x = 784.12

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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.