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Finding the Fourth Proportional to 907.43, 1,359.36 and 598.34

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Solution

The fourth proportional to 907.43, 1,359.36 and 598.34 is: 896.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    907.43 : 1,359.36 = 598.34 : x
  2. Step 2: Convert to fraction form
    907.43/1,359.36 = 598.34/x
  3. Step 3: Cross multiply
    907.43x = 1,359.36 × 598.34
  4. Step 4: Simplify right side
    907.43x = 813,353.53
  5. Step 5: Solve for x
    x = 813,353.53/907.43
  6. Step 6: Final answer
    x = 896.33

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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.