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Finding the Fourth Proportional to 1,007.37, 1,508.60 and 595.28

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Solution

The fourth proportional to 1,007.37, 1,508.60 and 595.28 is: 891.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007.37 : 1,508.60 = 595.28 : x
  2. Step 2: Convert to fraction form
    1,007.37/1,508.60 = 595.28/x
  3. Step 3: Cross multiply
    1,007.37x = 1,508.60 × 595.28
  4. Step 4: Simplify right side
    1,007.37x = 898,028.89
  5. Step 5: Solve for x
    x = 898,028.89/1,007.37
  6. Step 6: Final answer
    x = 891.46

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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.