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Finding the Fourth Proportional to 930.03, 1,283.28 and 598.41

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Solution

The fourth proportional to 930.03, 1,283.28 and 598.41 is: 825.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    930.03 : 1,283.28 = 598.41 : x
  2. Step 2: Convert to fraction form
    930.03/1,283.28 = 598.41/x
  3. Step 3: Cross multiply
    930.03x = 1,283.28 × 598.41
  4. Step 4: Simplify right side
    930.03x = 767,927.58
  5. Step 5: Solve for x
    x = 767,927.58/930.03
  6. Step 6: Final answer
    x = 825.70

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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.