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Finding the Fourth Proportional to 431.18, 594.91 and 265.33

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Solution

The fourth proportional to 431.18, 594.91 and 265.33 is: 366.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    431.18 : 594.91 = 265.33 : x
  2. Step 2: Convert to fraction form
    431.18/594.91 = 265.33/x
  3. Step 3: Cross multiply
    431.18x = 594.91 × 265.33
  4. Step 4: Simplify right side
    431.18x = 157,847.47
  5. Step 5: Solve for x
    x = 157,847.47/431.18
  6. Step 6: Final answer
    x = 366.08

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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.