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Finding the Fourth Proportional to 477.41, 715.46 and 246.24

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Solution

The fourth proportional to 477.41, 715.46 and 246.24 is: 369.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    477.41 : 715.46 = 246.24 : x
  2. Step 2: Convert to fraction form
    477.41/715.46 = 246.24/x
  3. Step 3: Cross multiply
    477.41x = 715.46 × 246.24
  4. Step 4: Simplify right side
    477.41x = 176,173.64
  5. Step 5: Solve for x
    x = 176,173.64/477.41
  6. Step 6: Final answer
    x = 369.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.