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Finding the Fourth Proportional to 336.13, 501.28 and 313.04

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Solution

The fourth proportional to 336.13, 501.28 and 313.04 is: 466.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.13 : 501.28 = 313.04 : x
  2. Step 2: Convert to fraction form
    336.13/501.28 = 313.04/x
  3. Step 3: Cross multiply
    336.13x = 501.28 × 313.04
  4. Step 4: Simplify right side
    336.13x = 156,920.69
  5. Step 5: Solve for x
    x = 156,920.69/336.13
  6. Step 6: Final answer
    x = 466.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.