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Finding the Fourth Proportional to 294.02, 438.90 and 250.39

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Solution

The fourth proportional to 294.02, 438.90 and 250.39 is: 373.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.02 : 438.90 = 250.39 : x
  2. Step 2: Convert to fraction form
    294.02/438.90 = 250.39/x
  3. Step 3: Cross multiply
    294.02x = 438.90 × 250.39
  4. Step 4: Simplify right side
    294.02x = 109,896.17
  5. Step 5: Solve for x
    x = 109,896.17/294.02
  6. Step 6: Final answer
    x = 373.77

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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.