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Finding the Fourth Proportional to 1,154.04, 1,592.70 and 656.75

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Solution

The fourth proportional to 1,154.04, 1,592.70 and 656.75 is: 906.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154.04 : 1,592.70 = 656.75 : x
  2. Step 2: Convert to fraction form
    1,154.04/1,592.70 = 656.75/x
  3. Step 3: Cross multiply
    1,154.04x = 1,592.70 × 656.75
  4. Step 4: Simplify right side
    1,154.04x = 1,046,005.73
  5. Step 5: Solve for x
    x = 1,046,005.73/1,154.04
  6. Step 6: Final answer
    x = 906.39

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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.