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Finding the Fourth Proportional to 704.73, 1,055.51 and 358.17

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Solution

The fourth proportional to 704.73, 1,055.51 and 358.17 is: 536.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    704.73 : 1,055.51 = 358.17 : x
  2. Step 2: Convert to fraction form
    704.73/1,055.51 = 358.17/x
  3. Step 3: Cross multiply
    704.73x = 1,055.51 × 358.17
  4. Step 4: Simplify right side
    704.73x = 378,052.02
  5. Step 5: Solve for x
    x = 378,052.02/704.73
  6. Step 6: Final answer
    x = 536.45

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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.