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Finding the Fourth Proportional to 524.01, 723 and 291.13

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Solution

The fourth proportional to 524.01, 723 and 291.13 is: 401.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    524.01 : 723 = 291.13 : x
  2. Step 2: Convert to fraction form
    524.01/723 = 291.13/x
  3. Step 3: Cross multiply
    524.01x = 723 × 291.13
  4. Step 4: Simplify right side
    524.01x = 210,486.99
  5. Step 5: Solve for x
    x = 210,486.99/524.01
  6. Step 6: Final answer
    x = 401.69

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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.