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Finding the Fourth Proportional to 524.61, 723.96 and 303.55

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Solution

The fourth proportional to 524.61, 723.96 and 303.55 is: 418.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    524.61 : 723.96 = 303.55 : x
  2. Step 2: Convert to fraction form
    524.61/723.96 = 303.55/x
  3. Step 3: Cross multiply
    524.61x = 723.96 × 303.55
  4. Step 4: Simplify right side
    524.61x = 219,758.06
  5. Step 5: Solve for x
    x = 219,758.06/524.61
  6. Step 6: Final answer
    x = 418.90

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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.