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Finding the Fourth Proportional to 852.89, 1,175.56 and 603.88

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Solution

The fourth proportional to 852.89, 1,175.56 and 603.88 is: 832.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    852.89 : 1,175.56 = 603.88 : x
  2. Step 2: Convert to fraction form
    852.89/1,175.56 = 603.88/x
  3. Step 3: Cross multiply
    852.89x = 1,175.56 × 603.88
  4. Step 4: Simplify right side
    852.89x = 709,892.72
  5. Step 5: Solve for x
    x = 709,892.72/852.89
  6. Step 6: Final answer
    x = 832.34

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1.5x scale

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.