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Finding the Fourth Proportional to 524.44, 723.72 and 291.56

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Solution

The fourth proportional to 524.44, 723.72 and 291.56 is: 402.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    524.44 : 723.72 = 291.56 : x
  2. Step 2: Convert to fraction form
    524.44/723.72 = 291.56/x
  3. Step 3: Cross multiply
    524.44x = 723.72 × 291.56
  4. Step 4: Simplify right side
    524.44x = 211,007.80
  5. Step 5: Solve for x
    x = 211,007.80/524.44
  6. Step 6: Final answer
    x = 402.35

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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.