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Finding the Fourth Proportional to 837.62, 1,156.00 and 483.55

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Solution

The fourth proportional to 837.62, 1,156.00 and 483.55 is: 667.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    837.62 : 1,156.00 = 483.55 : x
  2. Step 2: Convert to fraction form
    837.62/1,156.00 = 483.55/x
  3. Step 3: Cross multiply
    837.62x = 1,156.00 × 483.55
  4. Step 4: Simplify right side
    837.62x = 558,980.61
  5. Step 5: Solve for x
    x = 558,980.61/837.62
  6. Step 6: Final answer
    x = 667.34

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Double scale
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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.