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Finding the Fourth Proportional to 848.64, 1,170.86 and 534.22

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Solution

The fourth proportional to 848.64, 1,170.86 and 534.22 is: 737.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    848.64 : 1,170.86 = 534.22 : x
  2. Step 2: Convert to fraction form
    848.64/1,170.86 = 534.22/x
  3. Step 3: Cross multiply
    848.64x = 1,170.86 × 534.22
  4. Step 4: Simplify right side
    848.64x = 625,495.24
  5. Step 5: Solve for x
    x = 625,495.24/848.64
  6. Step 6: Final answer
    x = 737.06

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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.