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Finding the Fourth Proportional to 993.04, 1,485.18 and 601.96

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Solution

The fourth proportional to 993.04, 1,485.18 and 601.96 is: 900.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    993.04 : 1,485.18 = 601.96 : x
  2. Step 2: Convert to fraction form
    993.04/1,485.18 = 601.96/x
  3. Step 3: Cross multiply
    993.04x = 1,485.18 × 601.96
  4. Step 4: Simplify right side
    993.04x = 894,018.95
  5. Step 5: Solve for x
    x = 894,018.95/993.04
  6. Step 6: Final answer
    x = 900.28

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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.