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Finding the Fourth Proportional to 245.13, 336.06 and 233.40

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Solution

The fourth proportional to 245.13, 336.06 and 233.40 is: 319.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.13 : 336.06 = 233.40 : x
  2. Step 2: Convert to fraction form
    245.13/336.06 = 233.40/x
  3. Step 3: Cross multiply
    245.13x = 336.06 × 233.40
  4. Step 4: Simplify right side
    245.13x = 78,436.40
  5. Step 5: Solve for x
    x = 78,436.40/245.13
  6. Step 6: Final answer
    x = 319.98

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.