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Finding the Fourth Proportional to 929.32, 1,393.06 and 600.06

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Solution

The fourth proportional to 929.32, 1,393.06 and 600.06 is: 899.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    929.32 : 1,393.06 = 600.06 : x
  2. Step 2: Convert to fraction form
    929.32/1,393.06 = 600.06/x
  3. Step 3: Cross multiply
    929.32x = 1,393.06 × 600.06
  4. Step 4: Simplify right side
    929.32x = 835,919.58
  5. Step 5: Solve for x
    x = 835,919.58/929.32
  6. Step 6: Final answer
    x = 899.50

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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.