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Finding the Fourth Proportional to 315.44, 473.25 and 224.72

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Solution

The fourth proportional to 315.44, 473.25 and 224.72 is: 337.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    315.44 : 473.25 = 224.72 : x
  2. Step 2: Convert to fraction form
    315.44/473.25 = 224.72/x
  3. Step 3: Cross multiply
    315.44x = 473.25 × 224.72
  4. Step 4: Simplify right side
    315.44x = 106,345.81
  5. Step 5: Solve for x
    x = 106,345.81/315.44
  6. Step 6: Final answer
    x = 337.13

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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.