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Finding the Fourth Proportional to 887.01, 1,330.51 and 496.79

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Solution

The fourth proportional to 887.01, 1,330.51 and 496.79 is: 745.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    887.01 : 1,330.51 = 496.79 : x
  2. Step 2: Convert to fraction form
    887.01/1,330.51 = 496.79/x
  3. Step 3: Cross multiply
    887.01x = 1,330.51 × 496.79
  4. Step 4: Simplify right side
    887.01x = 660,984.06
  5. Step 5: Solve for x
    x = 660,984.06/887.01
  6. Step 6: Final answer
    x = 745.19

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.