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Finding the Fourth Proportional to 592.70, 887.70 and 284.78

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Solution

The fourth proportional to 592.70, 887.70 and 284.78 is: 426.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.70 : 887.70 = 284.78 : x
  2. Step 2: Convert to fraction form
    592.70/887.70 = 284.78/x
  3. Step 3: Cross multiply
    592.70x = 887.70 × 284.78
  4. Step 4: Simplify right side
    592.70x = 252,799.21
  5. Step 5: Solve for x
    x = 252,799.21/592.70
  6. Step 6: Final answer
    x = 426.52

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.