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Finding the Fourth Proportional to 779.03, 1,168.02 and 368.24

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Solution

The fourth proportional to 779.03, 1,168.02 and 368.24 is: 552.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    779.03 : 1,168.02 = 368.24 : x
  2. Step 2: Convert to fraction form
    779.03/1,168.02 = 368.24/x
  3. Step 3: Cross multiply
    779.03x = 1,168.02 × 368.24
  4. Step 4: Simplify right side
    779.03x = 430,111.68
  5. Step 5: Solve for x
    x = 430,111.68/779.03
  6. Step 6: Final answer
    x = 552.11

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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.