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Finding the Fourth Proportional to 901.95, 1,244.66 and 606.75

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Solution

The fourth proportional to 901.95, 1,244.66 and 606.75 is: 837.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    901.95 : 1,244.66 = 606.75 : x
  2. Step 2: Convert to fraction form
    901.95/1,244.66 = 606.75/x
  3. Step 3: Cross multiply
    901.95x = 1,244.66 × 606.75
  4. Step 4: Simplify right side
    901.95x = 755,194.42
  5. Step 5: Solve for x
    x = 755,194.42/901.95
  6. Step 6: Final answer
    x = 837.29

Related Problems

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Half scale
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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.