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Finding the Fourth Proportional to 524.13, 723.01 and 303.10

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Solution

The fourth proportional to 524.13, 723.01 and 303.10 is: 418.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    524.13 : 723.01 = 303.10 : x
  2. Step 2: Convert to fraction form
    524.13/723.01 = 303.10/x
  3. Step 3: Cross multiply
    524.13x = 723.01 × 303.10
  4. Step 4: Simplify right side
    524.13x = 219,144.33
  5. Step 5: Solve for x
    x = 219,144.33/524.13
  6. Step 6: Final answer
    x = 418.11

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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.