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Finding the Fourth Proportional to 944.88, 1,304.76 and 635.28

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Solution

The fourth proportional to 944.88, 1,304.76 and 635.28 is: 877.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.88 : 1,304.76 = 635.28 : x
  2. Step 2: Convert to fraction form
    944.88/1,304.76 = 635.28/x
  3. Step 3: Cross multiply
    944.88x = 1,304.76 × 635.28
  4. Step 4: Simplify right side
    944.88x = 828,887.93
  5. Step 5: Solve for x
    x = 828,887.93/944.88
  6. Step 6: Final answer
    x = 877.24

Related Problems

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Half scale
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Double scale
Find fourth proportional to 945.88, 1,306.14 and 636.28
Similar ratio
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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.