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Finding the Fourth Proportional to 595.26, 891.90 and 389.52

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Solution

The fourth proportional to 595.26, 891.90 and 389.52 is: 583.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.26 : 891.90 = 389.52 : x
  2. Step 2: Convert to fraction form
    595.26/891.90 = 389.52/x
  3. Step 3: Cross multiply
    595.26x = 891.90 × 389.52
  4. Step 4: Simplify right side
    595.26x = 347,412.89
  5. Step 5: Solve for x
    x = 347,412.89/595.26
  6. Step 6: Final answer
    x = 583.63

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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.