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Finding the Fourth Proportional to 524.24, 723.48 and 291.36

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Solution

The fourth proportional to 524.24, 723.48 and 291.36 is: 402.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    524.24 : 723.48 = 291.36 : x
  2. Step 2: Convert to fraction form
    524.24/723.48 = 291.36/x
  3. Step 3: Cross multiply
    524.24x = 723.48 × 291.36
  4. Step 4: Simplify right side
    524.24x = 210,793.13
  5. Step 5: Solve for x
    x = 210,793.13/524.24
  6. Step 6: Final answer
    x = 402.09

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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.