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Finding the Fourth Proportional to 395.88, 592.80 and 293.01

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Solution

The fourth proportional to 395.88, 592.80 and 293.01 is: 438.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.88 : 592.80 = 293.01 : x
  2. Step 2: Convert to fraction form
    395.88/592.80 = 293.01/x
  3. Step 3: Cross multiply
    395.88x = 592.80 × 293.01
  4. Step 4: Simplify right side
    395.88x = 173,696.33
  5. Step 5: Solve for x
    x = 173,696.33/395.88
  6. Step 6: Final answer
    x = 438.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.