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Finding the Fourth Proportional to 431.25, 594.99 and 265.35

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Solution

The fourth proportional to 431.25, 594.99 and 265.35 is: 366.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    431.25 : 594.99 = 265.35 : x
  2. Step 2: Convert to fraction form
    431.25/594.99 = 265.35/x
  3. Step 3: Cross multiply
    431.25x = 594.99 × 265.35
  4. Step 4: Simplify right side
    431.25x = 157,880.60
  5. Step 5: Solve for x
    x = 157,880.60/431.25
  6. Step 6: Final answer
    x = 366.10

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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.