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Finding the Fourth Proportional to 524.88, 784.89 and 379.08

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Solution

The fourth proportional to 524.88, 784.89 and 379.08 is: 566.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    524.88 : 784.89 = 379.08 : x
  2. Step 2: Convert to fraction form
    524.88/784.89 = 379.08/x
  3. Step 3: Cross multiply
    524.88x = 784.89 × 379.08
  4. Step 4: Simplify right side
    524.88x = 297,536.10
  5. Step 5: Solve for x
    x = 297,536.10/524.88
  6. Step 6: Final answer
    x = 566.87

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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.