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Finding the Fourth Proportional to 315.01, 474.19 and 224.34

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Solution

The fourth proportional to 315.01, 474.19 and 224.34 is: 337.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    315.01 : 474.19 = 224.34 : x
  2. Step 2: Convert to fraction form
    315.01/474.19 = 224.34/x
  3. Step 3: Cross multiply
    315.01x = 474.19 × 224.34
  4. Step 4: Simplify right side
    315.01x = 106,377.45
  5. Step 5: Solve for x
    x = 106,377.45/315.01
  6. Step 6: Final answer
    x = 337.69

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.