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Finding the Fourth Proportional to 524.04, 722.85 and 376.44

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Solution

The fourth proportional to 524.04, 722.85 and 376.44 is: 519.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    524.04 : 722.85 = 376.44 : x
  2. Step 2: Convert to fraction form
    524.04/722.85 = 376.44/x
  3. Step 3: Cross multiply
    524.04x = 722.85 × 376.44
  4. Step 4: Simplify right side
    524.04x = 272,109.65
  5. Step 5: Solve for x
    x = 272,109.65/524.04
  6. Step 6: Final answer
    x = 519.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.