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Finding the Fourth Proportional to 307.13, 424.06 and 236.12

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Solution

The fourth proportional to 307.13, 424.06 and 236.12 is: 326.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    307.13 : 424.06 = 236.12 : x
  2. Step 2: Convert to fraction form
    307.13/424.06 = 236.12/x
  3. Step 3: Cross multiply
    307.13x = 424.06 × 236.12
  4. Step 4: Simplify right side
    307.13x = 100,126.34
  5. Step 5: Solve for x
    x = 100,126.34/307.13
  6. Step 6: Final answer
    x = 326.01

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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.