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Finding the Fourth Proportional to 1,154.93, 1,593.62 and 657.58

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Solution

The fourth proportional to 1,154.93, 1,593.62 and 657.58 is: 907.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154.93 : 1,593.62 = 657.58 : x
  2. Step 2: Convert to fraction form
    1,154.93/1,593.62 = 657.58/x
  3. Step 3: Cross multiply
    1,154.93x = 1,593.62 × 657.58
  4. Step 4: Simplify right side
    1,154.93x = 1,047,936.28
  5. Step 5: Solve for x
    x = 1,047,936.28/1,154.93
  6. Step 6: Final answer
    x = 907.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.