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Finding the Fourth Proportional to 524.24, 723.24 and 316.88

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Solution

The fourth proportional to 524.24, 723.24 and 316.88 is: 437.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    524.24 : 723.24 = 316.88 : x
  2. Step 2: Convert to fraction form
    524.24/723.24 = 316.88/x
  3. Step 3: Cross multiply
    524.24x = 723.24 × 316.88
  4. Step 4: Simplify right side
    524.24x = 229,180.29
  5. Step 5: Solve for x
    x = 229,180.29/524.24
  6. Step 6: Final answer
    x = 437.17

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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.