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Finding the Fourth Proportional to 291.23, 401.59 and 244.57

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Solution

The fourth proportional to 291.23, 401.59 and 244.57 is: 337.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    291.23 : 401.59 = 244.57 : x
  2. Step 2: Convert to fraction form
    291.23/401.59 = 244.57/x
  3. Step 3: Cross multiply
    291.23x = 401.59 × 244.57
  4. Step 4: Simplify right side
    291.23x = 98,216.87
  5. Step 5: Solve for x
    x = 98,216.87/291.23
  6. Step 6: Final answer
    x = 337.25

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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.