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Finding the Fourth Proportional to 245.87, 339.17 and 183.50

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Solution

The fourth proportional to 245.87, 339.17 and 183.50 is: 253.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.87 : 339.17 = 183.50 : x
  2. Step 2: Convert to fraction form
    245.87/339.17 = 183.50/x
  3. Step 3: Cross multiply
    245.87x = 339.17 × 183.50
  4. Step 4: Simplify right side
    245.87x = 62,236.00
  5. Step 5: Solve for x
    x = 62,236.00/245.87
  6. Step 6: Final answer
    x = 253.13

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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.