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Finding the Fourth Proportional to 524.88, 723.51 and 400.14

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Solution

The fourth proportional to 524.88, 723.51 and 400.14 is: 551.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    524.88 : 723.51 = 400.14 : x
  2. Step 2: Convert to fraction form
    524.88/723.51 = 400.14/x
  3. Step 3: Cross multiply
    524.88x = 723.51 × 400.14
  4. Step 4: Simplify right side
    524.88x = 289,505.29
  5. Step 5: Solve for x
    x = 289,505.29/524.88
  6. Step 6: Final answer
    x = 551.56

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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.