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Finding the Fourth Proportional to 907.02, 1,251.87 and 592.33

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Solution

The fourth proportional to 907.02, 1,251.87 and 592.33 is: 817.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    907.02 : 1,251.87 = 592.33 : x
  2. Step 2: Convert to fraction form
    907.02/1,251.87 = 592.33/x
  3. Step 3: Cross multiply
    907.02x = 1,251.87 × 592.33
  4. Step 4: Simplify right side
    907.02x = 741,520.16
  5. Step 5: Solve for x
    x = 741,520.16/907.02
  6. Step 6: Final answer
    x = 817.53

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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.