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Finding the Fourth Proportional to 901.83, 1,244.76 and 587.88

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Solution

The fourth proportional to 901.83, 1,244.76 and 587.88 is: 811.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    901.83 : 1,244.76 = 587.88 : x
  2. Step 2: Convert to fraction form
    901.83/1,244.76 = 587.88/x
  3. Step 3: Cross multiply
    901.83x = 1,244.76 × 587.88
  4. Step 4: Simplify right side
    901.83x = 731,769.51
  5. Step 5: Solve for x
    x = 731,769.51/901.83
  6. Step 6: Final answer
    x = 811.43

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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.