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Finding the Fourth Proportional to 887.66, 1,331.45 and 332.33

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Solution

The fourth proportional to 887.66, 1,331.45 and 332.33 is: 498.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    887.66 : 1,331.45 = 332.33 : x
  2. Step 2: Convert to fraction form
    887.66/1,331.45 = 332.33/x
  3. Step 3: Cross multiply
    887.66x = 1,331.45 × 332.33
  4. Step 4: Simplify right side
    887.66x = 442,482.45
  5. Step 5: Solve for x
    x = 442,482.45/887.66
  6. Step 6: Final answer
    x = 498.48

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Double scale
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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.